josharian · September 13, 2013 17:35
diff --git a/go_test_net_bad_net.txt b/go_test_net_bad_net.txt
 $ go test net
 --- FAIL: TestDialGoogleIPv4 (0.01 seconds)
  dialgoogle_test.go:143: lookup www.google.com: lookup www.google.com: no such host
 --- FAIL: TestLookupIANACNAME (0.00 seconds)
 	lookup_test.go:98: LookupCNAME("www.iana.org.") = "", lookup www.iana.org: no such host, want "*.icann.org.", nil
 --- FAIL: TestShutdown (0.00 seconds)
 	net_test.go:31: Accept: accept tcp 127.0.0.1:49962: too many open files
 	net_test.go:55: client Read: 0, EOF
 --- FAIL: TestShutdownUnix (0.00 seconds)
 	net_test.go:87: Accept: accept unix /var/folders/jw/xrvq7wz95p5bwvjyx9yc2npm09k844/T/go_net_unixtest272364341: too many open files
 	net_test.go:111: client Read: 0, EOF
 --- FAIL: TestTCPClose (0.00 seconds)
 	net_test.go:210: accept tcp 127.0.0.1:49965: too many open files
 --- FAIL: TestPacketConn (0.00 seconds)
 	packetconn_test.go:112: ListenPacket failed: listen udp 127.0.0.1:0: too many open files
 --- FAIL: TestConnAndPacketConn (0.00 seconds)
 	packetconn_test.go:169: Dial failed: dial udp 127.0.0.1:58678: too many open files
 --- FAIL: TestReadLine (0.00 seconds)
 	parse_test.go:31: net.open(/etc/services) = nil
 --- FAIL: TestTCPConnSpecificMethods (0.00 seconds)
 	conn_test.go:95: Listener.Accept failed: accept tcp4 127.0.0.1:49968: too many open files
 	protoconn_test.go:120: TCPConn.Read failed: EOF
 --- FAIL: TestUnixConnSpecificMethods (0.00 seconds)
 	protoconn_test.go:335: ListenUnixgram failed: listen unixgram /tmp/nettest555689785: too many open files
 --- FAIL: TestStreamConnServer (0.00 seconds)
 	server_test.go:204: Accept failed: accept tcp [::]:49970: too many open files
 	server_test.go:233: Read failed: 0, EOF; want 25, <nil>
 --- FAIL: TestTCPListenerName (0.00 seconds)
 	tcp_test.go:344: ListenTCP failed: listen tcp4 <nil>:0: too many open files
 --- FAIL: TestIPv6LinkLocalUnicastTCP (0.00 seconds)
 	tcp_test.go:408: Dial failed: dial tcp [fe80::1%lo0]:49973: too many open files
 	conn_test.go:95: Listener.Accept failed: use of closed network connection
 --- FAIL: TestTCPConcurrentAccept (0.00 seconds)
 	tcp_test.go:454: Dial failed: dial tcp 127.0.0.1:49974: too many open files
 --- FAIL: TestTCPReadWriteMallocs (0.00 seconds)
 	tcp_test.go:468: Listen failed: listen tcp 127.0.0.1:0: too many open files
 --- FAIL: TestTCPStress (0.00 seconds)
 	tcp_test.go:532: Listen failed: listen tcp 127.0.0.1:0: too many open files
 --- FAIL: TestAcceptTimeout (0.00 seconds)
 	dial_test.go:29: listen tcp6 [::1]:0: too many open files
 --- FAIL: TestReadTimeout (0.00 seconds)
 	dial_test.go:29: listen tcp6 [::1]:0: too many open files
 --- FAIL: TestWriteTimeout (0.00 seconds)
 	dial_test.go:29: listen tcp6 [::1]:0: too many open files
 --- FAIL: TestTimeoutUDP (0.00 seconds)
 	server_test.go:363: ListenPacket("udp", "127.0.0.1:0") failed: listen udp 127.0.0.1:0: too many open files
 	timeout_test.go:193: Dial("udp", "<nil>") failed: dial udp: missing port in address <nil>
 	timeout_test.go:193: Dial("udp", "<nil>") failed: dial udp: missing port in address <nil>
 --- FAIL: TestTimeoutTCP (0.00 seconds)
 	server_test.go:181: Listen("tcp", "127.0.0.1:0") failed: listen tcp 127.0.0.1:0: too many open files
 	timeout_test.go:193: Dial("tcp", "<nil>") failed: dial tcp: missing port in address <nil>
 --- FAIL: TestDeadlineReset (0.00 seconds)
 	timeout_test.go:275: listen tcp 127.0.0.1:0: too many open files
 --- FAIL: TestTimeoutAccept (0.00 seconds)
 	timeout_test.go:303: listen tcp 127.0.0.1:0: too many open files
 --- FAIL: TestReadWriteDeadline (0.00 seconds)
 	timeout_test.go:342: ListenTCP on :0: listen tcp 127.0.0.1:0: too many open files
 --- FAIL: TestVariousDeadlines1Proc (0.00 seconds)
 	dial_test.go:29: listen tcp6 [::1]:0: too many open files
 --- FAIL: TestVariousDeadlines4Proc (0.00 seconds)
 	dial_test.go:29: listen tcp6 [::1]:0: too many open files
 --- FAIL: TestReadDeadlineDataAvailable (0.00 seconds)
 	dial_test.go:29: listen tcp6 [::1]:0: too many open files
 --- FAIL: TestWriteDeadlineBufferAvailable (0.00 seconds)
 	dial_test.go:29: listen tcp6 [::1]:0: too many open files
 --- FAIL: TestAcceptDeadlineConnectionAvailable (0.00 seconds)
 	dial_test.go:29: listen tcp6 [::1]:0: too many open files
 --- FAIL: TestConnectDeadlineInThePast (0.00 seconds)
 	dial_test.go:29: listen tcp6 [::1]:0: too many open files
 --- FAIL: TestProlongTimeout (0.00 seconds)
 	dial_test.go:29: listen tcp6 [::1]:0: too many open files
 --- FAIL: TestDeadlineRace (0.00 seconds)
 	dial_test.go:29: listen tcp6 [::1]:0: too many open files
 --- FAIL: TestResolveUDPAddr (0.00 seconds)
 	udp_test.go:58: ResolveUDPAddr("udp", "localhost:5") failed: lookup localhost: no such host
 --- FAIL: TestWriteToUDP (0.00 seconds)
 	udp_test.go:74: Listen failed: listen udp 127.0.0.1:0: too many open files
 --- FAIL: TestUDPConnLocalName (0.00 seconds)
 	udp_test.go:161: ListenUDP failed: listen udp4 127.0.0.1:0: too many open files
 --- FAIL: TestUDPConnLocalAndRemoteNames (0.00 seconds)
 	udp_test.go:175: ListenUDP failed: listen udp 127.0.0.1:0: too many open files
 --- FAIL: TestTCPListener (0.00 seconds)
 	unicast_posix_test.go:255: Probe Listen("tcp", "") failed: listen tcp <nil>:0: too many open files
 --- FAIL: TestUDPListener (0.00 seconds)
 	unicast_posix_test.go:275: Probe ListenPacket("udp", "") failed: listen udp <nil>:0: too many open files
 --- FAIL: TestDualStackTCPListener (0.00 seconds)
 	unicast_posix_test.go:255: Probe Listen("tcp", "") failed: listen tcp <nil>:0: too many open files
 --- FAIL: TestDualStackUDPListener (0.00 seconds)
 	unicast_posix_test.go:275: Probe ListenPacket("udp", "") failed: listen udp <nil>:0: too many open files
 --- FAIL: TestProhibitionaryDialArgs (0.00 seconds)
 	unicast_posix_test.go:255: Probe Listen("tcp", "[::]") failed: listen tcp [::]:0: too many open files
 --- FAIL: TestReadUnixgramWithUnnamedSocket (0.00 seconds)
 panic: open /tmp/nettest065416004: too many open files [recovered]
 	panic: open /tmp/nettest065416004: too many open files

 goroutine 15247 [running]:
 runtime.panic(0x1fa140, 0xc212ee9db0)
 	.../src/pkg/runtime/panic.c:266 +0xb6
 testing.func·005()
 	.../src/pkg/testing/testing.go:383 +0x104
 runtime.panic(0x1fa140, 0xc212ee9db0)
 	.../src/pkg/runtime/panic.c:248 +0x106
 net.testUnixAddr(0x0, 0x0)
 	.../src/pkg/net/protoconn_test.go:24 +0xb4
 net.TestReadUnixgramWithUnnamedSocket(0xc212ee8bd0)
 	.../src/pkg/net/unix_test.go:20 +0x77
 testing.tRunner(0xc212ee8bd0, 0x45f1a8)
 	.../src/pkg/testing/testing.go:389 +0xb0
 created by testing.RunTests
 	.../src/pkg/testing/testing.go:469 +0x914

 goroutine 1 [chan receive]:
 testing.RunTests(0x29c120, 0x45e6e0, 0x78, 0x78, 0xc21004c200)
 	.../src/pkg/testing/testing.go:470 +0x941
 testing.Main(0x29c120, 0x45e6e0, 0x78, 0x78, 0x455d80, ...)
 	.../src/pkg/testing/testing.go:401 +0x96
 main.main()
 	net/_test/_testmain.go:319 +0x9c

 goroutine 3 [syscall]:
 runtime.goexit()
 	.../src/pkg/runtime/proc.c:1386

 goroutine 5105 [syscall]:
 net._C2func_getaddrinfo(0x1000800, 0x0, 0xc2102d4900, 0xc2102c8c30, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8160, 0x15, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8160, 0x15, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8160, 0x15, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8160, 0x15, 0x58be80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8160, 0x15, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8160, 0x15, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x0)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5241 [syscall]:
 net._C2func_getaddrinfo(0x1103080, 0x0, 0xc210062ba0, 0xc2102c87e8, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2100f1120, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2100f1120, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2100f1120, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2100f1120, 0x17, 0x5bfe80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2100f1120, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2100f1120, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x88)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5384 [syscall]:
 net._C2func_getaddrinfo(0x1103440, 0x0, 0xc210d08f00, 0xc2102c8178, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc21103e3c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc21103e3c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc21103e3c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc21103e3c0, 0x17, 0x5a0e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc21103e3c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc21103e3c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x117)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5393 [syscall]:
 net._C2func_getaddrinfo(0x1200480, 0x0, 0xc2110400c0, 0xc2102c81c0, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc21103e4e0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc21103e4e0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc21103e4e0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc21103e4e0, 0x17, 0x5afe80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc21103e4e0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc21103e4e0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x120)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5394 [syscall]:
 net._C2func_getaddrinfo(0x12004f0, 0x0, 0xc2110400f0, 0xc2102c81c8, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc21103e500, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc21103e500, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc21103e500, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc21103e500, 0x17, 0x5aee80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc21103e500, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc21103e500, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x121)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5395 [syscall]:
 net._C2func_getaddrinfo(0x1101b00, 0x0, 0xc211040120, 0xc2102c81d0, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc21103e520, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc21103e520, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc21103e520, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc21103e520, 0x17, 0x5ade80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc21103e520, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc21103e520, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x122)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5397 [syscall]:
 net._C2func_getaddrinfo(0x1000da0, 0x0, 0xc211040180, 0xc2102c81e0, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc21103e560, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc21103e560, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc21103e560, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc21103e560, 0x17, 0x5ace80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc21103e560, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc21103e560, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x124)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5396 [syscall]:
 net._C2func_getaddrinfo(0x1002670, 0x0, 0xc211040150, 0xc2102c81d8, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc21103e540, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc21103e540, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc21103e540, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc21103e540, 0x17, 0x5abe80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc21103e540, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc21103e540, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x123)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5172 [syscall]:
 net._C2func_getaddrinfo(0x10017c0, 0x0, 0xc2102d45a0, 0xc2102c8a10, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d89e0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d89e0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d89e0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d89e0, 0x16, 0x5aae80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d89e0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d89e0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x43)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5173 [syscall]:
 net._C2func_getaddrinfo(0x1101a10, 0x0, 0xc2102d45d0, 0xc2102c8a08, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8a00, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8a00, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8a00, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8a00, 0x16, 0x5a9e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8a00, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8a00, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x44)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5174 [syscall]:
 net._C2func_getaddrinfo(0x10018c0, 0x0, 0xc2102d4600, 0xc2102c8a00, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8a20, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8a20, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8a20, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8a20, 0x16, 0x5a8e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8a20, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8a20, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x45)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5249 [syscall]:
 net._C2func_getaddrinfo(0x6060a0, 0x0, 0xc210062d20, 0xc2102c87a8, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2100f1220, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2100f1220, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2100f1220, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2100f1220, 0x17, 0x5a7e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2100f1220, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2100f1220, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x90)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5398 [syscall]:
 net._C2func_getaddrinfo(0x1000dc0, 0x0, 0xc2110401b0, 0xc2102c81e8, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc21103e580, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc21103e580, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc21103e580, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc21103e580, 0x17, 0x5a4e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc21103e580, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc21103e580, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x125)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5250 [syscall]:
 net._C2func_getaddrinfo(0x606130, 0x0, 0xc210062d50, 0xc2102c87a0, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2100f1240, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2100f1240, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2100f1240, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2100f1240, 0x17, 0x5a1e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2100f1240, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2100f1240, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x91)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5260 [syscall]:
 net._C2func_getaddrinfo(0x6061e0, 0x0, 0xc210062f30, 0xc2102c8750, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2100f1380, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2100f1380, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2100f1380, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2100f1380, 0x17, 0x5cde80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2100f1380, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2100f1380, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x9b)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5247 [syscall]:
 net._C2func_getaddrinfo(0x606080, 0x0, 0xc210062cc0, 0xc2102c87b8, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2100f11e0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2100f11e0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2100f11e0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2100f11e0, 0x17, 0x5cbe80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2100f11e0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2100f11e0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x8e)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5386 [syscall]:
 net._C2func_getaddrinfo(0x1002980, 0x0, 0xc210d08f60, 0xc2102c8188, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc21103e400, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc21103e400, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc21103e400, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc21103e400, 0x17, 0x5c9e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc21103e400, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc21103e400, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x119)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5267 [syscall]:
 net._C2func_getaddrinfo(0x11033d0, 0x0, 0xc210037750, 0xc2102c8718, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2100f1460, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2100f1460, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2100f1460, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2100f1460, 0x17, 0x5dfe80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2100f1460, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2100f1460, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0xa2)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5240 [syscall]:
 net._C2func_getaddrinfo(0x605dd0, 0x0, 0xc210062b70, 0xc2102c87f0, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2100f1100, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2100f1100, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2100f1100, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2100f1100, 0x17, 0x5d7e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2100f1100, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2100f1100, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x87)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5141 [syscall]:
 net._C2func_getaddrinfo(0x1000b40, 0x0, 0xc2102d4fc0, 0xc2102c8b10, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d85e0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d85e0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d85e0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d85e0, 0x16, 0x5d5e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d85e0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d85e0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x24)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5142 [syscall]:
 net._C2func_getaddrinfo(0x1000bd0, 0x0, 0xc2102d4000, 0xc2102c8b08, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8600, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8600, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8600, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8600, 0x16, 0x5d4e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8600, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8600, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x25)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5388 [syscall]:
 net._C2func_getaddrinfo(0x1002650, 0x0, 0xc210d08fc0, 0xc2102c8198, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc21103e440, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc21103e440, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc21103e440, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc21103e440, 0x17, 0x5d2e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc21103e440, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc21103e440, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x11b)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5140 [syscall]:
 net._C2func_getaddrinfo(0x1200850, 0x0, 0xc2102d4f90, 0xc2102c8b18, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d85c0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d85c0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d85c0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d85c0, 0x16, 0x5d1e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d85c0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d85c0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x23)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5239 [syscall]:
 net._C2func_getaddrinfo(0x1002730, 0x0, 0xc210062b40, 0xc2102c87f8, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2100f10e0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2100f10e0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2100f10e0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2100f10e0, 0x17, 0x5eee80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2100f10e0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2100f10e0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x86)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5190 [syscall]:
 net._C2func_getaddrinfo(0x1001d20, 0x0, 0xc210062060, 0xc2102c8980, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8c20, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8c20, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8c20, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8c20, 0x16, 0x5ebe80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8c20, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8c20, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x55)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5137 [syscall]:
 net._C2func_getaddrinfo(0x1000b20, 0x0, 0xc2102d4f00, 0xc2102c8b30, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8560, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8560, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8560, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8560, 0x16, 0x5e8e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8560, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8560, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x20)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5209 [syscall]:
 net._C2func_getaddrinfo(0x604eb0, 0x0, 0xc210062450, 0xc2102c88e8, 0x0, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8e80, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8e80, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8e80, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8e80, 0x17, 0x5e7e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8e80, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8e80, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x68)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5224 [syscall]:
 net._C2func_getaddrinfo(0x1002610, 0x0, 0xc210062870, 0xc2102c8870, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8060, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8060, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8060, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8060, 0x17, 0x5e3e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8060, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8060, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x77)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5138 [syscall]:
 net._C2func_getaddrinfo(0x1200750, 0x0, 0xc2102d4f30, 0xc2102c8b28, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8580, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8580, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8580, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8580, 0x16, 0x5e2e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8580, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8580, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x21)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5169 [syscall]:
 net._C2func_getaddrinfo(0x11019d0, 0x0, 0xc2102d4510, 0xc2102c8a28, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8980, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8980, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8980, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8980, 0x16, 0x5ffe80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8980, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8980, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x40)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5170 [syscall]:
 net._C2func_getaddrinfo(0x6045b0, 0x0, 0xc2102d4540, 0xc2102c8a20, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d89a0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d89a0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d89a0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d89a0, 0x16, 0x5fee80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d89a0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d89a0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x41)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5171 [syscall]:
 net._C2func_getaddrinfo(0x11019f0, 0x0, 0xc2102d4570, 0xc2102c8a18, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d89c0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d89c0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d89c0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d89c0, 0x16, 0x5fde80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d89c0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d89c0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x42)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5139 [syscall]:
 net._C2func_getaddrinfo(0x1100aa0, 0x0, 0xc2102d4f60, 0xc2102c8b20, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d85a0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d85a0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d85a0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d85a0, 0x16, 0x5fce80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d85a0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d85a0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x22)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5112 [syscall]:
 net._C2func_getaddrinfo(0x11005a0, 0x0, 0xc2102d4a50, 0xc2102c8bf8, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8240, 0x15, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8240, 0x15, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8240, 0x15, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8240, 0x15, 0x5fae80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8240, 0x15, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8240, 0x15, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x7)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5262 [syscall]:
 net._C2func_getaddrinfo(0x1002be0, 0x0, 0xc210062f90, 0xc2102c8740, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2100f13c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2100f13c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2100f13c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2100f13c0, 0x17, 0x5f6e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2100f13c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2100f13c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x9d)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5161 [syscall]:
 net._C2func_getaddrinfo(0x604490, 0x0, 0xc2102d4390, 0xc2102c8a68, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8880, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8880, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8880, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8880, 0x16, 0x5f3e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8880, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8880, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x38)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5246 [syscall]:
 net._C2func_getaddrinfo(0x605ff0, 0x0, 0xc210062c90, 0xc2102c87c0, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2100f11c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2100f11c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2100f11c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2100f11c0, 0x17, 0x5f2e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2100f11c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2100f11c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x8d)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5221 [syscall]:
 net._C2func_getaddrinfo(0x605ac0, 0x0, 0xc2100627e0, 0xc2102c8888, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8000, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8000, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8000, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8000, 0x17, 0x146fe80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8000, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8000, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x74)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5222 [syscall]:
 net._C2func_getaddrinfo(0x605b50, 0x0, 0xc210062810, 0xc2102c8880, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8020, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8020, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8020, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8020, 0x17, 0x146ee80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8020, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8020, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x75)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5223 [syscall]:
 net._C2func_getaddrinfo(0x1002510, 0x0, 0xc210062840, 0xc2102c8878, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8040, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8040, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8040, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8040, 0x17, 0x146de80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8040, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8040, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x76)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5225 [syscall]:
 net._C2func_getaddrinfo(0x1102080, 0x0, 0xc2100628a0, 0xc2102c8868, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8080, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8080, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8080, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8080, 0x17, 0x1469e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8080, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8080, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x78)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5226 [syscall]:
 net._C2func_getaddrinfo(0x605b70, 0x0, 0xc2100628d0, 0xc2102c8860, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d80a0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d80a0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d80a0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d80a0, 0x17, 0x1468e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d80a0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d80a0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x79)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5237 [syscall]:
 net._C2func_getaddrinfo(0x1102f80, 0x0, 0xc210062ae0, 0xc2102c8808, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2100f10a0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2100f10a0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2100f10a0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2100f10a0, 0x17, 0x1467e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2100f10a0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2100f10a0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x84)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5238 [syscall]:
 net._C2func_getaddrinfo(0x605db0, 0x0, 0xc210062b10, 0xc2102c8800, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2100f10c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2100f10c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2100f10c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2100f10c0, 0x17, 0x1466e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2100f10c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2100f10c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x85)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5215 [syscall]:
 net._C2func_getaddrinfo(0x1000820, 0x0, 0xc210062690, 0xc2102c88c0, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8f40, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8f40, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8f40, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8f40, 0x17, 0x1465e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8f40, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8f40, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x6e)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5248 [syscall]:
 net._C2func_getaddrinfo(0x4b00070, 0x0, 0xc210062cf0, 0xc2102c87b0, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2100f1200, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2100f1200, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2100f1200, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2100f1200, 0x17, 0x1470e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2100f1200, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2100f1200, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x8f)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5201 [syscall]:
 net._C2func_getaddrinfo(0x10020b0, 0x0, 0xc210062270, 0xc2102c8928, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8d80, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8d80, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8d80, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8d80, 0x16, 0x147de80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8d80, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8d80, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x60)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5203 [syscall]:
 net._C2func_getaddrinfo(0x35000b0, 0x0, 0xc2100622d0, 0xc2102c8918, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8dc0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8dc0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8dc0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8dc0, 0x16, 0x1479e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8dc0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8dc0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x62)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5181 [syscall]:
 net._C2func_getaddrinfo(0x1101b30, 0x0, 0xc2102d4750, 0xc2102c89c8, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8b00, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8b00, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8b00, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8b00, 0x16, 0x1475e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8b00, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8b00, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x4c)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5182 [syscall]:
 net._C2func_getaddrinfo(0x604760, 0x0, 0xc2102d4780, 0xc2102c89c0, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8b20, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8b20, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8b20, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8b20, 0x16, 0x1474e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8b20, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8b20, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x4d)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5251 [syscall]:
 net._C2func_getaddrinfo(0x1002aa0, 0x0, 0xc210062d80, 0xc2102c8798, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2100f1260, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2100f1260, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2100f1260, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2100f1260, 0x17, 0x1473e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2100f1260, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2100f1260, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x92)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5252 [syscall]:
 net._C2func_getaddrinfo(0x1002ac0, 0x0, 0xc210062db0, 0xc2102c8790, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2100f1280, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2100f1280, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2100f1280, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2100f1280, 0x17, 0x1472e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2100f1280, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2100f1280, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x93)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5233 [syscall]:
 net._C2func_getaddrinfo(0x11003c0, 0x0, 0xc210062a20, 0xc2102c8828, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2100f1020, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2100f1020, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2100f1020, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2100f1020, 0x17, 0x1471e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2100f1020, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2100f1020, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x80)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5234 [syscall]:
 net._C2func_getaddrinfo(0x11003e0, 0x0, 0xc210062a50, 0xc2102c8820, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2100f1040, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2100f1040, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2100f1040, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2100f1040, 0x17, 0x1480e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2100f1040, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2100f1040, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x81)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5231 [syscall]:
 net._C2func_getaddrinfo(0x605c20, 0x0, 0xc2100629c0, 0xc2102c8838, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8140, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8140, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8140, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8140, 0x17, 0x148fe80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8140, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8140, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x7e)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5232 [syscall]:
 net._C2func_getaddrinfo(0x605c40, 0x0, 0xc2100629f0, 0xc2102c8830, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2100f1000, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2100f1000, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2100f1000, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2100f1000, 0x17, 0x148ee80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2100f1000, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2100f1000, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x7f)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5183 [syscall]:
 net._C2func_getaddrinfo(0x1001ae0, 0x0, 0xc2102d47b0, 0xc2102c89b8, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8b40, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8b40, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8b40, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8b40, 0x16, 0x1487e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8b40, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8b40, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x4e)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5184 [syscall]:
 net._C2func_getaddrinfo(0x1001be0, 0x0, 0xc2102d47e0, 0xc2102c89b0, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8b60, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8b60, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8b60, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8b60, 0x16, 0x1486e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8b60, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8b60, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x4f)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5185 [syscall]:
 net._C2func_getaddrinfo(0x1001c70, 0x0, 0xc2102d4810, 0xc2102c89a8, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8b80, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8b80, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8b80, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8b80, 0x16, 0x1485e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8b80, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8b80, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x50)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5186 [syscall]:
 net._C2func_getaddrinfo(0x1001d00, 0x0, 0xc2102d4840, 0xc2102c89a0, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8ba0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8ba0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8ba0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8ba0, 0x16, 0x1484e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8ba0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8ba0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x51)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5187 [syscall]:
 net._C2func_getaddrinfo(0x604780, 0x0, 0xc2102d4870, 0xc2102c8998, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8bc0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8bc0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8bc0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8bc0, 0x16, 0x1483e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8bc0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8bc0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x52)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5204 [syscall]:
 net._C2func_getaddrinfo(0x10020d0, 0x0, 0xc210062300, 0xc2102c8910, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8de0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8de0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8de0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8de0, 0x16, 0x1482e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8de0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8de0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x63)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5265 [syscall]:
 net._C2func_getaddrinfo(0x1102a60, 0x0, 0xc2100376f0, 0xc2102c8728, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2100f1420, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2100f1420, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2100f1420, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2100f1420, 0x17, 0x1481e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2100f1420, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2100f1420, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0xa0)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5266 [syscall]:
 net._C2func_getaddrinfo(0x606320, 0x0, 0xc210037720, 0xc2102c8720, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2100f1440, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2100f1440, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2100f1440, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2100f1440, 0x17, 0x1490e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2100f1440, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2100f1440, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0xa1)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5157 [syscall]:
 net._C2func_getaddrinfo(0x1200bd0, 0x0, 0xc2102d42a0, 0xc2102c8a90, 0x149fc48, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8800, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8800, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8800, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8800, 0x16, 0x149fe80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8800, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8800, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x34)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5158 [syscall]:
 net._C2func_getaddrinfo(0x604050, 0x0, 0xc2102d42d0, 0xc2102c8a88, 0x0, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8820, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8820, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8820, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8820, 0x16, 0x149ee80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8820, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8820, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x35)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5159 [syscall]:
 net._C2func_getaddrinfo(0x1100d30, 0x0, 0xc2102d4300, 0xc2102c8a80, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8840, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8840, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8840, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8840, 0x16, 0x149de80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8840, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8840, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x36)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5160 [syscall]:
 net._C2func_getaddrinfo(0x604070, 0x0, 0xc2102d4330, 0xc2102c8a78, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8860, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8860, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8860, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8860, 0x16, 0x149ce80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8860, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8860, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x37)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5205 [syscall]:
 net._C2func_getaddrinfo(0x1002160, 0x0, 0xc210062330, 0xc2102c8908, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8e00, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8e00, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8e00, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8e00, 0x17, 0x1497e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8e00, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8e00, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x64)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5268 [syscall]:
 net._C2func_getaddrinfo(0x606340, 0x0, 0xc210037780, 0xc2102c8710, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2100f1480, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2100f1480, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2100f1480, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2100f1480, 0x17, 0x1496e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2100f1480, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2100f1480, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0xa3)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5269 [syscall]:
 net._C2func_getaddrinfo(0x1002ce0, 0x0, 0xc2100377b0, 0xc2102c8708, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2100f14a0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2100f14a0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2100f14a0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2100f14a0, 0x17, 0x1495e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2100f14a0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2100f14a0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0xa4)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5270 [syscall]:
 net._C2func_getaddrinfo(0x606270, 0x0, 0xc2100377e0, 0xc2102c8700, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2100f14c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2100f14c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2100f14c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2100f14c0, 0x17, 0x1494e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2100f14c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2100f14c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0xa5)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5207 [syscall]:
 net._C2func_getaddrinfo(0x604e20, 0x0, 0xc210062390, 0xc2102c88f8, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8e40, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8e40, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8e40, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8e40, 0x17, 0x1493e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8e40, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8e40, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x66)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5208 [syscall]:
 net._C2func_getaddrinfo(0x1101e30, 0x0, 0xc210062420, 0xc2102c88f0, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8e60, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8e60, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8e60, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8e60, 0x17, 0x1492e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8e60, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8e60, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x67)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5149 [syscall]:
 net._C2func_getaddrinfo(0x1200a20, 0x0, 0xc2102d4150, 0xc2102c8ad0, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d86e0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d86e0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d86e0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d86e0, 0x16, 0x1491e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d86e0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d86e0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x2c)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5150 [syscall]:
 net._C2func_getaddrinfo(0x1000cf0, 0x0, 0xc2102d4180, 0xc2102c8ac8, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8700, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8700, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8700, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8700, 0x16, 0x14a0e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8700, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8700, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x2d)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5263 [syscall]:
 net._C2func_getaddrinfo(0x6062e0, 0x0, 0xc210062fc0, 0xc2102c8738, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2100f13e0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2100f13e0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2100f13e0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2100f13e0, 0x17, 0x14afe80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2100f13e0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2100f13e0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x9e)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5264 [syscall]:
 net._C2func_getaddrinfo(0x606300, 0x0, 0xc2100376c0, 0xc2102c8730, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2100f1400, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2100f1400, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2100f1400, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2100f1400, 0x17, 0x14aee80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2100f1400, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2100f1400, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x9f)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5261 [syscall]:
 net._C2func_getaddrinfo(0x6062c0, 0x0, 0xc210062f60, 0xc2102c8748, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2100f13a0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2100f13a0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2100f13a0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2100f13a0, 0x17, 0x14ade80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2100f13a0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2100f13a0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x9c)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5242 [syscall]:
 net._C2func_getaddrinfo(0x605e60, 0x0, 0xc210062bd0, 0xc2102c87e0, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2100f1140, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2100f1140, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2100f1140, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2100f1140, 0x17, 0x14ace80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2100f1140, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2100f1140, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x89)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5243 [syscall]:
 net._C2func_getaddrinfo(0x1002910, 0x0, 0xc210062c00, 0xc2102c87d8, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2100f1160, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2100f1160, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2100f1160, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2100f1160, 0x17, 0x14abe80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2100f1160, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2100f1160, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x8a)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5244 [syscall]:
 net._C2func_getaddrinfo(0x605e80, 0x0, 0xc210062c30, 0xc2102c87d0, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2100f1180, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2100f1180, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2100f1180, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2100f1180, 0x17, 0x14aae80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2100f1180, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2100f1180, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x8b)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5245 [syscall]:
 net._C2func_getaddrinfo(0x10029a0, 0x0, 0xc210062c60, 0xc2102c87c8, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2100f11a0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2100f11a0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2100f11a0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2100f11a0, 0x17, 0x14a9e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2100f11a0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2100f11a0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x8c)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5253 [syscall]:
 net._C2func_getaddrinfo(0x1002ae0, 0x0, 0xc210062de0, 0xc2102c8788, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2100f12a0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2100f12a0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2100f12a0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2100f12a0, 0x17, 0x14a7e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2100f12a0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2100f12a0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x94)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5254 [syscall]:
 net._C2func_getaddrinfo(0x11030a0, 0x0, 0xc210062e10, 0xc2102c8780, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2100f12c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2100f12c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2100f12c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2100f12c0, 0x17, 0x14a6e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2100f12c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2100f12c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x95)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5255 [syscall]:
 net._C2func_getaddrinfo(0x6061c0, 0x0, 0xc210062e40, 0xc2102c8778, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2100f12e0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2100f12e0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2100f12e0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2100f12e0, 0x17, 0x14a5e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2100f12e0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2100f12e0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x96)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5256 [syscall]:
 net._C2func_getaddrinfo(0x605cf0, 0x0, 0xc210062e70, 0xc2102c8770, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2100f1300, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2100f1300, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2100f1300, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2100f1300, 0x17, 0x14a4e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2100f1300, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2100f1300, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x97)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5257 [syscall]:
 net._C2func_getaddrinfo(0x605d10, 0x0, 0xc210062ea0, 0xc2102c8768, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2100f1320, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2100f1320, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2100f1320, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2100f1320, 0x17, 0x14a3e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2100f1320, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2100f1320, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x98)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5258 [syscall]:
 net._C2func_getaddrinfo(0x11031a0, 0x0, 0xc210062ed0, 0xc2102c8760, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2100f1340, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2100f1340, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2100f1340, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2100f1340, 0x17, 0x14a2e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2100f1340, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2100f1340, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x99)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5259 [syscall]:
 net._C2func_getaddrinfo(0x1102a40, 0x0, 0xc210062f00, 0xc2102c8758, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2100f1360, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2100f1360, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2100f1360, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2100f1360, 0x17, 0x14a1e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2100f1360, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2100f1360, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x9a)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5216 [syscall]:
 net._C2func_getaddrinfo(0x1000840, 0x0, 0xc2100626c0, 0xc2102c88b8, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8f60, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8f60, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8f60, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8f60, 0x17, 0x14b0e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8f60, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8f60, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x6f)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5213 [syscall]:
 net._C2func_getaddrinfo(0x10022a0, 0x0, 0xc210062630, 0xc2102c88d0, 0x14bfc48, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8f00, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8f00, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8f00, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8f00, 0x17, 0x14bfe80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8f00, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8f00, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x6c)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5214 [syscall]:
 net._C2func_getaddrinfo(0x604f60, 0x0, 0xc210062660, 0xc2102c88c8, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8f20, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8f20, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8f20, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8f20, 0x17, 0x14bee80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8f20, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8f20, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x6d)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5111 [syscall]:
 net._C2func_getaddrinfo(0x1100580, 0x0, 0xc2102d4a20, 0xc2102c8c00, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8220, 0x15, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8220, 0x15, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8220, 0x15, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8220, 0x15, 0x14bbe80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8220, 0x15, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8220, 0x15, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x6)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5179 [syscall]:
 net._C2func_getaddrinfo(0x4b000b0, 0x0, 0xc2102d46f0, 0xc2102c89d8, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8ac0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8ac0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8ac0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8ac0, 0x16, 0x14b7e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8ac0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8ac0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x4a)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5210 [syscall]:
 net._C2func_getaddrinfo(0x1002280, 0x0, 0xc210062540, 0xc2102c88e0, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8ea0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8ea0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8ea0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8ea0, 0x17, 0x14b6e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8ea0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8ea0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x69)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5211 [syscall]:
 net._C2func_getaddrinfo(0x604f40, 0x0, 0xc2100625d0, 0xc2102c88d8, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8ec0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8ec0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8ec0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8ec0, 0x17, 0x14b5e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8ec0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8ec0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x6a)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5212 [syscall]:
 net._C2func_getaddrinfo(0x604870, 0x0, 0xc210062780, 0xc2102c8898, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8ee0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8ee0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8ee0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8ee0, 0x17, 0x14b4e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8ee0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8ee0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x6b)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5219 [syscall]:
 net._C2func_getaddrinfo(0x10024d0, 0x0, 0xc210062750, 0xc2102c88a0, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8fc0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8fc0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8fc0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8fc0, 0x17, 0x14b1e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8fc0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8fc0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x72)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5274 [syscall]:
 net._C2func_getaddrinfo(0x606420, 0x0, 0xc2100378a0, 0xc2102c86e0, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2100f1540, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2100f1540, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2100f1540, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2100f1540, 0x17, 0x14c0e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2100f1540, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2100f1540, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0xa9)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5275 [syscall]:
 net._C2func_getaddrinfo(0x1002ec0, 0x0, 0xc2100378d0, 0xc2102c86d8, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2100f1560, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2100f1560, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2100f1560, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2100f1560, 0x17, 0x14cfe80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2100f1560, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2100f1560, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0xaa)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5227 [syscall]:
 net._C2func_getaddrinfo(0x10026a0, 0x0, 0xc210062900, 0xc2102c8858, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d80c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d80c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d80c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d80c0, 0x17, 0x14cde80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d80c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d80c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x7a)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5228 [syscall]:
 net._C2func_getaddrinfo(0x605c00, 0x0, 0xc210062930, 0xc2102c8850, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d80e0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d80e0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d80e0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d80e0, 0x17, 0x14cce80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d80e0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d80e0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x7b)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5229 [syscall]:
 net._C2func_getaddrinfo(0x605680, 0x0, 0xc210062960, 0xc2102c8848, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8100, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8100, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8100, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8100, 0x17, 0x14cbe80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8100, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8100, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x7c)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5230 [syscall]:
 net._C2func_getaddrinfo(0x6056a0, 0x0, 0xc210062990, 0xc2102c8840, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8120, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8120, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8120, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8120, 0x17, 0x14cae80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8120, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8120, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x7d)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5392 [syscall]:
 net._C2func_getaddrinfo(0x1200460, 0x0, 0xc211040090, 0xc2102c81b8, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc21103e4c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc21103e4c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc21103e4c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc21103e4c0, 0x17, 0x14d0e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc21103e4c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc21103e4c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x11f)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5188 [syscall]:
 net._C2func_getaddrinfo(0x6047a0, 0x0, 0xc2102d48a0, 0xc2102c8990, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8be0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8be0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8be0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8be0, 0x16, 0x14dee80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8be0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8be0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x53)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5189 [syscall]:
 net._C2func_getaddrinfo(0x1101c30, 0x0, 0xc2102d48d0, 0xc2102c8988, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8c00, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8c00, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8c00, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8c00, 0x16, 0x14dde80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8c00, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8c00, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x54)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 289 [finalizer wait]:
 runtime.park(0xd530, 0x45f2a8, 0x45b2e9)
 	.../src/pkg/runtime/proc.c:1334 +0x66
 runfinq()
 	.../src/pkg/runtime/mgc0.c:2275 +0x84
 runtime.goexit()
 	.../src/pkg/runtime/proc.c:1386

 goroutine 5399 [syscall]:
 net._C2func_getaddrinfo(0x1000de0, 0x0, 0xc2110401e0, 0xc2102c81f0, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc21103e5a0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc21103e5a0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc21103e5a0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc21103e5a0, 0x17, 0x14f3e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc21103e5a0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc21103e5a0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x126)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5400 [syscall]:
 net._C2func_getaddrinfo(0x1002c00, 0x0, 0xc211040210, 0xc2102c81f8, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc21103e5c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc21103e5c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc21103e5c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc21103e5c0, 0x17, 0x14f2e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc21103e5c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc21103e5c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x127)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5401 [syscall]:
 net._C2func_getaddrinfo(0x1002c20, 0x0, 0xc211040240, 0xc2102c8200, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc21103e5e0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc21103e5e0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc21103e5e0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc21103e5e0, 0x17, 0x14f1e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc21103e5e0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc21103e5e0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x128)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5402 [syscall]:
 net._C2func_getaddrinfo(0x1002cb0, 0x0, 0xc211040270, 0xc2102c8208, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc21103e600, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc21103e600, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc21103e600, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc21103e600, 0x17, 0x14f0e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc21103e600, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc21103e600, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x129)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5405 [syscall]:
 net._C2func_getaddrinfo(0x1002b70, 0x0, 0xc211040300, 0xc2102c8220, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc21103e660, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc21103e660, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc21103e660, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc21103e660, 0x17, 0x14efe80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc21103e660, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc21103e660, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x12c)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5406 [syscall]:
 net._C2func_getaddrinfo(0x1101a70, 0x0, 0xc211040330, 0xc2102c8228, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc21103e680, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc21103e680, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc21103e680, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc21103e680, 0x17, 0x14eee80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc21103e680, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc21103e680, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x12d)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5407 [syscall]:
 net._C2func_getaddrinfo(0x1100350, 0x0, 0xc211040360, 0xc2102c8230, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc21103e6a0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc21103e6a0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc21103e6a0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc21103e6a0, 0x17, 0x14ede80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc21103e6a0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc21103e6a0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x12e)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5271 [syscall]:
 net._C2func_getaddrinfo(0x606290, 0x0, 0xc210037810, 0xc2102c86f8, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2100f14e0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2100f14e0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2100f14e0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2100f14e0, 0x17, 0x14e9e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2100f14e0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2100f14e0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0xa6)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5272 [syscall]:
 net._C2func_getaddrinfo(0x1103460, 0x0, 0xc210037840, 0xc2102c86f0, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2100f1500, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2100f1500, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2100f1500, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2100f1500, 0x17, 0x14e8e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2100f1500, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2100f1500, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0xa7)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5273 [syscall]:
 net._C2func_getaddrinfo(0x11034f0, 0x0, 0xc210037870, 0xc2102c86e8, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2100f1520, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2100f1520, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2100f1520, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2100f1520, 0x17, 0x14e7e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2100f1520, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2100f1520, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0xa8)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5390 [syscall]:
 net._C2func_getaddrinfo(0x1200b80, 0x0, 0xc211040030, 0xc2102c81a8, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc21103e480, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc21103e480, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc21103e480, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc21103e480, 0x17, 0x14f6e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc21103e480, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc21103e480, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x11d)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5380 [syscall]:
 net._C2func_getaddrinfo(0x1200b40, 0x0, 0xc210d08e40, 0xc2102c8158, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc21004c660, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc21004c660, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc21004c660, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc21004c660, 0x17, 0x1514e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc21004c660, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc21004c660, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x113)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5381 [syscall]:
 net._C2func_getaddrinfo(0x1200df0, 0x0, 0xc210d08e70, 0xc2102c8160, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc21103e360, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc21103e360, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc21103e360, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc21103e360, 0x17, 0x1513e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc21103e360, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc21103e360, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x114)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5382 [syscall]:
 net._C2func_getaddrinfo(0x1104110, 0x0, 0xc210d08ea0, 0xc2102c8168, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc21103e380, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc21103e380, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc21103e380, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc21103e380, 0x17, 0x1512e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc21103e380, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc21103e380, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x115)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5383 [syscall]:
 net._C2func_getaddrinfo(0x1200b60, 0x0, 0xc210d08ed0, 0xc2102c8170, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc21103e3a0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc21103e3a0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc21103e3a0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc21103e3a0, 0x17, 0x1511e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc21103e3a0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc21103e3a0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x116)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5387 [syscall]:
 net._C2func_getaddrinfo(0x1002630, 0x0, 0xc210d08f90, 0xc2102c8190, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc21103e420, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc21103e420, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc21103e420, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc21103e420, 0x17, 0x1521e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc21103e420, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc21103e420, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x11a)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5389 [syscall]:
 net._C2func_getaddrinfo(0x1101ac0, 0x0, 0xc211040000, 0xc2102c81a0, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc21103e460, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc21103e460, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc21103e460, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc21103e460, 0x17, 0x151be80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc21103e460, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc21103e460, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x11c)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5391 [syscall]:
 net._C2func_getaddrinfo(0x1101ae0, 0x0, 0xc211040060, 0xc2102c81b0, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc21103e4a0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc21103e4a0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc21103e4a0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc21103e4a0, 0x17, 0x1535e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc21103e4a0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc21103e4a0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x11e)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5523 [syscall]:
 net._C2func_getaddrinfo(0x3000110, 0x0, 0xc211042930, 0xc2102c8d20, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2110435e0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2110435e0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2110435e0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2110435e0, 0x17, 0x1554e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2110435e0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2110435e0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x1a2)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5385 [syscall]:
 net._C2func_getaddrinfo(0x1002f50, 0x0, 0xc210d08f30, 0xc2102c8180, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc21103e3e0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc21103e3e0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc21103e3e0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc21103e3e0, 0x17, 0x1564e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc21103e3e0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc21103e3e0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x118)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5136 [syscall]:
 net._C2func_getaddrinfo(0x10005d0, 0x0, 0xc2102d4ed0, 0xc2102c8b38, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8540, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8540, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8540, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8540, 0x16, 0x157ae80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8540, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8540, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x1f)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5403 [syscall]:
 net._C2func_getaddrinfo(0x1101a30, 0x0, 0xc2110402a0, 0xc2102c8210, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc21103e620, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc21103e620, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc21103e620, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc21103e620, 0x17, 0x1579e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc21103e620, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc21103e620, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x12a)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5404 [syscall]:
 net._C2func_getaddrinfo(0x1101a50, 0x0, 0xc2110402d0, 0xc2102c8218, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc21103e640, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc21103e640, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc21103e640, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc21103e640, 0x17, 0x1578e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc21103e640, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc21103e640, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x12b)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5206 [syscall]:
 net._C2func_getaddrinfo(0x1002180, 0x0, 0xc210062360, 0xc2102c8900, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8e20, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8e20, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8e20, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8e20, 0x17, 0x15a4e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8e20, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8e20, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x65)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5143 [syscall]:
 net._C2func_getaddrinfo(0x1200870, 0x0, 0xc2102d4030, 0xc2102c8b00, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8620, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8620, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8620, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8620, 0x16, 0x15a3e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8620, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8620, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x26)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5144 [syscall]:
 net._C2func_getaddrinfo(0x1100b30, 0x0, 0xc2102d4060, 0xc2102c8af8, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8640, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8640, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8640, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8640, 0x16, 0x15a2e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8640, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8640, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x27)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5145 [syscall]:
 net._C2func_getaddrinfo(0x1100c30, 0x0, 0xc2102d4090, 0xc2102c8af0, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8660, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8660, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8660, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8660, 0x16, 0x15a1e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8660, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8660, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x28)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5146 [syscall]:
 net._C2func_getaddrinfo(0x12009e0, 0x0, 0xc2102d40c0, 0xc2102c8ae8, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8680, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8680, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8680, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8680, 0x16, 0x159ee80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8680, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8680, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x29)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5147 [syscall]:
 net._C2func_getaddrinfo(0x1200a00, 0x0, 0xc2102d40f0, 0xc2102c8ae0, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d86a0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d86a0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d86a0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d86a0, 0x16, 0x159de80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d86a0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d86a0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x2a)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5148 [syscall]:
 net._C2func_getaddrinfo(0x1000bf0, 0x0, 0xc2102d4120, 0xc2102c8ad8, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d86c0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d86c0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d86c0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d86c0, 0x16, 0x159ce80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d86c0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d86c0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x2b)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5162 [syscall]:
 net._C2func_getaddrinfo(0x1000f30, 0x0, 0xc2102d43c0, 0xc2102c8a60, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d88a0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d88a0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d88a0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d88a0, 0x16, 0x15ace80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d88a0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d88a0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x39)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5163 [syscall]:
 net._C2func_getaddrinfo(0x1200db0, 0x0, 0xc2102d43f0, 0xc2102c8a58, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d88c0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d88c0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d88c0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d88c0, 0x16, 0x15abe80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d88c0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d88c0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x3a)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5164 [syscall]:
 net._C2func_getaddrinfo(0x1200dd0, 0x0, 0xc2102d4420, 0xc2102c8a50, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d88e0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d88e0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d88e0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d88e0, 0x16, 0x15aae80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d88e0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d88e0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x3b)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5165 [syscall]:
 net._C2func_getaddrinfo(0x6044b0, 0x0, 0xc2102d4450, 0xc2102c8a48, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8900, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8900, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8900, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8900, 0x16, 0x15a9e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8900, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8900, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x3c)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5166 [syscall]:
 net._C2func_getaddrinfo(0x11018b0, 0x0, 0xc2102d4480, 0xc2102c8a40, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8920, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8920, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8920, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8920, 0x16, 0x15a8e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8920, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8920, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x3d)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5167 [syscall]:
 net._C2func_getaddrinfo(0x11019b0, 0x0, 0xc2102d44b0, 0xc2102c8a38, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8940, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8940, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8940, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8940, 0x16, 0x15a7e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8940, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8940, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x3e)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5168 [syscall]:
 net._C2func_getaddrinfo(0x10016c0, 0x0, 0xc2102d44e0, 0xc2102c8a30, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8960, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8960, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8960, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8960, 0x16, 0x15b6e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8960, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8960, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x3f)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5113 [syscall]:
 net._C2func_getaddrinfo(0x1200190, 0x0, 0xc2102d4a80, 0xc2102c8bf0, 0x8, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8260, 0x15, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8260, 0x15, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8260, 0x15, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8260, 0x15, 0x15bde80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8260, 0x15, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8260, 0x15, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x8)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5114 [syscall]:
 net._C2func_getaddrinfo(0x1200120, 0x0, 0xc2102d4ab0, 0xc2102c8be8, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8280, 0x15, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8280, 0x15, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8280, 0x15, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8280, 0x15, 0x15bce80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8280, 0x15, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8280, 0x15, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x9)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5115 [syscall]:
 net._C2func_getaddrinfo(0x1000860, 0x0, 0xc2102d4ae0, 0xc2102c8be0, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d82a0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d82a0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d82a0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d82a0, 0x16, 0x15bbe80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d82a0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d82a0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0xa)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5116 [syscall]:
 net._C2func_getaddrinfo(0x12002c0, 0x0, 0xc2102d4b10, 0xc2102c8bd8, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d82c0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d82c0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d82c0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d82c0, 0x16, 0x15bae80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d82c0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d82c0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0xb)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5117 [syscall]:
 net._C2func_getaddrinfo(0x11006a0, 0x0, 0xc2102d4b40, 0xc2102c8bd0, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d82e0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d82e0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d82e0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d82e0, 0x16, 0x15b9e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d82e0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d82e0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0xc)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5118 [syscall]:
 net._C2func_getaddrinfo(0x12002e0, 0x0, 0xc2102d4b70, 0xc2102c8bc8, 0x0, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8300, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8300, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8300, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8300, 0x16, 0x15b8e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8300, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8300, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0xd)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5119 [syscall]:
 net._C2func_getaddrinfo(0x1200370, 0x0, 0xc2102d4ba0, 0xc2102c8bc0, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8320, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8320, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8320, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8320, 0x16, 0x15b7e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8320, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8320, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0xe)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5120 [syscall]:
 net._C2func_getaddrinfo(0x11007a0, 0x0, 0xc2102d4bd0, 0xc2102c8bb8, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8340, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8340, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8340, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8340, 0x16, 0x15c6e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8340, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8340, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0xf)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5121 [syscall]:
 net._C2func_getaddrinfo(0x1200400, 0x0, 0xc2102d4c00, 0xc2102c8bb0, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8360, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8360, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8360, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8360, 0x16, 0x15d5e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8360, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8360, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x10)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5122 [syscall]:
 net._C2func_getaddrinfo(0x1200420, 0x0, 0xc2102d4c30, 0xc2102c8ba8, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8380, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8380, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8380, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8380, 0x16, 0x15d4e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8380, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8380, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x11)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5123 [syscall]:
 net._C2func_getaddrinfo(0x12004b0, 0x0, 0xc2102d4c60, 0xc2102c8ba0, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d83a0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d83a0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d83a0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d83a0, 0x16, 0x15d3e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d83a0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d83a0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x12)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5124 [syscall]:
 net._C2func_getaddrinfo(0x11008a0, 0x0, 0xc2102d4c90, 0xc2102c8b98, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d83c0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d83c0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d83c0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d83c0, 0x16, 0x15d2e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d83c0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d83c0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x13)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5125 [syscall]:
 net._C2func_getaddrinfo(0x1000240, 0x0, 0xc2102d4cc0, 0xc2102c8b90, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d83e0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d83e0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d83e0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d83e0, 0x16, 0x15d1e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d83e0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d83e0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x14)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5126 [syscall]:
 net._C2func_getaddrinfo(0x12004d0, 0x0, 0xc2102d4cf0, 0xc2102c8b88, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8400, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8400, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8400, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8400, 0x16, 0x15d0e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8400, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8400, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x15)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5127 [syscall]:
 net._C2func_getaddrinfo(0x12005d0, 0x0, 0xc2102d4d20, 0xc2102c8b80, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8420, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8420, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8420, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8420, 0x16, 0x15cfe80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8420, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8420, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x16)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5128 [syscall]:
 net._C2func_getaddrinfo(0x1000490, 0x0, 0xc2102d4d50, 0xc2102c8b78, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8440, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8440, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8440, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8440, 0x16, 0x15cee80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8440, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8440, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x17)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5129 [syscall]:
 net._C2func_getaddrinfo(0x12005f0, 0x0, 0xc2102d4d80, 0xc2102c8b70, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8460, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8460, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8460, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8460, 0x16, 0x15cde80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8460, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8460, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x18)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5130 [syscall]:
 net._C2func_getaddrinfo(0x1200610, 0x0, 0xc2102d4db0, 0xc2102c8b68, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8480, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8480, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8480, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8480, 0x16, 0x15cce80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8480, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8480, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x19)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5131 [syscall]:
 net._C2func_getaddrinfo(0x11009a0, 0x0, 0xc2102d4de0, 0xc2102c8b60, 0x0, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d84a0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d84a0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d84a0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d84a0, 0x16, 0x15cbe80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d84a0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d84a0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x1a)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5132 [syscall]:
 net._C2func_getaddrinfo(0x1000590, 0x0, 0xc2102d4e10, 0xc2102c8b58, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d84c0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d84c0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d84c0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d84c0, 0x16, 0x15cae80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d84c0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d84c0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x1b)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5133 [syscall]:
 net._C2func_getaddrinfo(0x10005b0, 0x0, 0xc2102d4e40, 0xc2102c8b50, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d84e0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d84e0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d84e0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d84e0, 0x16, 0x15c9e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d84e0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d84e0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x1c)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5134 [syscall]:
 net._C2func_getaddrinfo(0x1200630, 0x0, 0xc2102d4e70, 0xc2102c8b48, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8500, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8500, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8500, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8500, 0x16, 0x15c8e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8500, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8500, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x1d)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5135 [syscall]:
 net._C2func_getaddrinfo(0x1200730, 0x0, 0xc2102d4ea0, 0xc2102c8b40, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8520, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8520, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8520, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8520, 0x16, 0x15c7e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8520, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8520, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x1e)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5180 [syscall]:
 net._C2func_getaddrinfo(0x604740, 0x0, 0xc2102d4720, 0xc2102c89d0, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8ae0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8ae0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8ae0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8ae0, 0x16, 0x15d6e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8ae0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8ae0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x4b)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5191 [syscall]:
 net._C2func_getaddrinfo(0x6047c0, 0x0, 0xc210062090, 0xc2102c8978, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8c40, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8c40, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8c40, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8c40, 0x16, 0x15e5e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8c40, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8c40, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x56)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5192 [syscall]:
 net._C2func_getaddrinfo(0x1101e10, 0x0, 0xc2100620c0, 0xc2102c8970, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8c60, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8c60, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8c60, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8c60, 0x16, 0x15e4e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8c60, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8c60, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x57)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5193 [syscall]:
 net._C2func_getaddrinfo(0x1001e20, 0x0, 0xc2100620f0, 0xc2102c8968, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8c80, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8c80, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8c80, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8c80, 0x16, 0x15e3e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8c80, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8c80, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x58)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5194 [syscall]:
 net._C2func_getaddrinfo(0x603f30, 0x0, 0xc210062120, 0xc2102c8960, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8ca0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8ca0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8ca0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8ca0, 0x16, 0x15e2e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8ca0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8ca0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x59)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5195 [syscall]:
 net._C2func_getaddrinfo(0x603f50, 0x0, 0xc210062150, 0xc2102c8958, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8cc0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8cc0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8cc0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8cc0, 0x16, 0x15e1e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8cc0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8cc0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x5a)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5196 [syscall]:
 net._C2func_getaddrinfo(0x4b00140, 0x0, 0xc210062180, 0xc2102c8950, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8ce0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8ce0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8ce0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8ce0, 0x16, 0x15e0e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8ce0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8ce0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x5b)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5236 [syscall]:
 net._C2func_getaddrinfo(0x605c60, 0x0, 0xc210062ab0, 0xc2102c8810, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2100f1080, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2100f1080, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2100f1080, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2100f1080, 0x17, 0x15dee80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2100f1080, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2100f1080, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x83)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5235 [syscall]:
 net._C2func_getaddrinfo(0x1102f60, 0x0, 0xc210062a80, 0xc2102c8818, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2100f1060, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2100f1060, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2100f1060, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2100f1060, 0x17, 0x15dde80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2100f1060, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2100f1060, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x82)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5200 [syscall]:
 net._C2func_getaddrinfo(0x1002020, 0x0, 0xc210062240, 0xc2102c8930, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8d60, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8d60, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8d60, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8d60, 0x16, 0x15dae80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8d60, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8d60, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x5f)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5199 [syscall]:
 net._C2func_getaddrinfo(0x6048b0, 0x0, 0xc210062210, 0xc2102c8938, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8d40, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8d40, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8d40, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8d40, 0x16, 0x15d9e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8d40, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8d40, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x5e)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5198 [syscall]:
 net._C2func_getaddrinfo(0x1002000, 0x0, 0xc2100621e0, 0xc2102c8940, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8d20, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8d20, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8d20, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8d20, 0x16, 0x15d8e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8d20, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8d20, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x5d)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5197 [syscall]:
 net._C2func_getaddrinfo(0x604890, 0x0, 0xc2100621b0, 0xc2102c8948, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8d00, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8d00, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8d00, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8d00, 0x16, 0x15d7e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8d00, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8d00, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x5c)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5156 [syscall]:
 net._C2func_getaddrinfo(0x604090, 0x0, 0xc2102d4360, 0xc2102c8a70, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d87c0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d87c0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d87c0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d87c0, 0x16, 0x15eee80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d87c0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d87c0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x33)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5155 [syscall]:
 net._C2func_getaddrinfo(0x1200bb0, 0x0, 0xc2102d4270, 0xc2102c8aa0, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d87a0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d87a0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d87a0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d87a0, 0x16, 0x15fde80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d87a0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d87a0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x32)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5154 [syscall]:
 net._C2func_getaddrinfo(0x1000f10, 0x0, 0xc2102d4240, 0xc2102c8aa8, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8780, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8780, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8780, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8780, 0x16, 0x15fce80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8780, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8780, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x31)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5153 [syscall]:
 net._C2func_getaddrinfo(0x1200b20, 0x0, 0xc2102d4210, 0xc2102c8ab0, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8760, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8760, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8760, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8760, 0x16, 0x15fbe80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8760, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8760, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x30)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5152 [syscall]:
 net._C2func_getaddrinfo(0x1000e10, 0x0, 0xc2102d41e0, 0xc2102c8ab8, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8740, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8740, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8740, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8740, 0x16, 0x15fae80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8740, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8740, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x2f)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5151 [syscall]:
 net._C2func_getaddrinfo(0x1000d80, 0x0, 0xc2102d41b0, 0xc2102c8ac0, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8720, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8720, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8720, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8720, 0x16, 0x15f9e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8720, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8720, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x2e)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5202 [syscall]:
 net._C2func_getaddrinfo(0x604d90, 0x0, 0xc2100622a0, 0xc2102c8920, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8da0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8da0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8da0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8da0, 0x16, 0x15f8e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8da0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8da0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x61)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5110 [syscall]:
 net._C2func_getaddrinfo(0x1100400, 0x0, 0xc2102d49f0, 0xc2102c8c08, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8200, 0x15, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8200, 0x15, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8200, 0x15, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8200, 0x15, 0x15f0e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8200, 0x15, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8200, 0x15, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x5)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5106 [syscall]:
 net._C2func_getaddrinfo(0x11004b0, 0x0, 0xc2102d4930, 0xc2102c8c28, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8180, 0x15, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8180, 0x15, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8180, 0x15, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8180, 0x15, 0x15efe80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8180, 0x15, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8180, 0x15, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x1)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5108 [syscall]:
 net._C2func_getaddrinfo(0x11004f0, 0x0, 0xc2102d4990, 0xc2102c8c18, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d81c0, 0x15, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d81c0, 0x15, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d81c0, 0x15, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d81c0, 0x15, 0x15fee80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d81c0, 0x15, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d81c0, 0x15, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x3)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5107 [syscall]:
 net._C2func_getaddrinfo(0x11004d0, 0x0, 0xc2102d4960, 0xc2102c8c20, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d81a0, 0x15, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d81a0, 0x15, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d81a0, 0x15, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d81a0, 0x15, 0x160de80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d81a0, 0x15, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d81a0, 0x15, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x2)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5218 [syscall]:
 net._C2func_getaddrinfo(0x604850, 0x0, 0xc210062720, 0xc2102c88a8, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8fa0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8fa0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8fa0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8fa0, 0x17, 0x160ce80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8fa0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8fa0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x71)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5217 [syscall]:
 net._C2func_getaddrinfo(0x3000180, 0x0, 0xc2100626f0, 0xc2102c88b0, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8f80, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8f80, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8f80, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8f80, 0x17, 0x160be80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8f80, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8f80, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x70)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5109 [syscall]:
 net._C2func_getaddrinfo(0x10002e0, 0x0, 0xc2102d49c0, 0xc2102c8c10, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d81e0, 0x15, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d81e0, 0x15, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d81e0, 0x15, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d81e0, 0x15, 0x1609e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d81e0, 0x15, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d81e0, 0x15, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x4)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5178 [syscall]:
 net._C2func_getaddrinfo(0x10019e0, 0x0, 0xc2102d46c0, 0xc2102c89e0, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8aa0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8aa0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8aa0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8aa0, 0x16, 0x1608e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8aa0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8aa0, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x49)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5177 [syscall]:
 net._C2func_getaddrinfo(0x10018e0, 0x0, 0xc2102d4690, 0xc2102c89e8, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8a80, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8a80, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8a80, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8a80, 0x16, 0x1607e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8a80, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8a80, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x48)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5176 [syscall]:
 net._C2func_getaddrinfo(0x6046b0, 0x0, 0xc2102d4660, 0xc2102c89f0, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8a60, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8a60, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8a60, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8a60, 0x16, 0x1606e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8a60, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8a60, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x47)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5175 [syscall]:
 net._C2func_getaddrinfo(0x1101aa0, 0x0, 0xc2102d4630, 0xc2102c89f8, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8a40, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8a40, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8a40, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8a40, 0x16, 0x1605e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8a40, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8a40, 0x16, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x46)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5220 [syscall]:
 net._C2func_getaddrinfo(0x10024f0, 0x0, 0xc2100627b0, 0xc2102c8890, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2102d8fe0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2102d8fe0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2102d8fe0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2102d8fe0, 0x17, 0x1604e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2102d8fe0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2102d8fe0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x73)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5643 [syscall]:
 net._C2func_getaddrinfo(0x3500160, 0x0, 0xc2111a3fc0, 0xc210000260, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2111b1e40, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2111b1e40, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2111b1e40, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2111b1e40, 0x17, 0x1632e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2111b1e40, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2111b1e40, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x21a)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5644 [syscall]:
 net._C2func_getaddrinfo(0x4b00380, 0x0, 0xc21139c000, 0xc210000268, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2111b1e80, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2111b1e80, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2111b1e80, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2111b1e80, 0x17, 0x1631e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2111b1e80, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2111b1e80, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x21b)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5755 [syscall]:
 net._C2func_getaddrinfo(0x604e40, 0x0, 0xc2115144e0, 0xc210000630, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc211522400, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc211522400, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc211522400, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc211522400, 0x17, 0x16a2e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc211522400, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc211522400, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x28a)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5756 [syscall]:
 net._C2func_getaddrinfo(0x1001c00, 0x0, 0xc211514510, 0xc210000638, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc211522440, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc211522440, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc211522440, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc211522440, 0x17, 0x16a1e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc211522440, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc211522440, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x28b)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5757 [syscall]:
 net._C2func_getaddrinfo(0x1100510, 0x0, 0xc211514540, 0xc210000640, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc211522480, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc211522480, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc211522480, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc211522480, 0x17, 0x16a0e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc211522480, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc211522480, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x28c)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5758 [syscall]:
 net._C2func_getaddrinfo(0x3000290, 0x0, 0xc211514570, 0xc210000648, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2115224c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2115224c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2115224c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2115224c0, 0x17, 0x169fe80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2115224c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2115224c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x28d)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5759 [syscall]:
 net._C2func_getaddrinfo(0x1001c50, 0x0, 0xc2115145a0, 0xc210000650, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc211522500, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc211522500, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc211522500, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc211522500, 0x17, 0x16aee80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc211522500, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc211522500, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x28e)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5768 [syscall]:
 net._C2func_getaddrinfo(0x1100ae0, 0x0, 0xc211514750, 0xc210000698, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc211522740, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc211522740, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc211522740, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc211522740, 0x17, 0x16b5e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc211522740, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc211522740, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x297)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5817 [syscall]:
 net._C2func_getaddrinfo(0x4b005f0, 0x0, 0xc211683090, 0xc210000820, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc2116351c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc2116351c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc2116351c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc2116351c0, 0x17, 0x16e4e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc2116351c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc2116351c0, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x2c8)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5860 [syscall]:
 net._C2func_getaddrinfo(0x1000b60, 0x0, 0xc2116838a0, 0xc210000978, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc211635840, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc211635840, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc211635840, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc211635840, 0x17, 0x1719e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc211635840, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc211635840, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x2f3)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 5962 [syscall]:
 net._C2func_getaddrinfo(0x4b00550, 0x0, 0xc211870bd0, 0xc210000ca8, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc21185ec20, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc21185ec20, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc21185ec20, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc21185ec20, 0x17, 0x1773e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc21185ec20, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc21185ec20, 0x17, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x359)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 15211 [semacquire]:
 net.runtime_Semacquire(0xc210259d28)
 	.../src/pkg/runtime/sema.goc:190 +0x30
 net.(*fdMutex).RWLock(0xc210259d20, 0xc2102d9001, 0x1)
 	.../src/pkg/net/fd_mutex.go:143 +0x16b
 net.(*netFD).readLock(0xc210259d20, 0x0, 0x0)
 	.../src/pkg/net/fd_unix.go:122 +0x45
 net.(*netFD).accept(0xc210259d20, 0x29f420, 0x0, 0x0, 0x0)
 	.../src/pkg/net/fd_unix.go:368 +0x9e
 net.(*TCPListener).AcceptTCP(0xc212ec7a90, 0x0, 0x0, 0x0)
 	.../src/pkg/net/tcpsock_posix.go:233 +0x6d
 net.(*TCPListener).Accept(0xc212ec7a90, 0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/tcpsock_posix.go:243 +0x54
 net.func·084()
 	.../src/pkg/net/tcp_test.go:442 +0x59
 created by net.TestTCPConcurrentAccept
 	.../src/pkg/net/tcp_test.go:449 +0x217

 goroutine 15213 [semacquire]:
 net.runtime_Semacquire(0xc210259d28)
 	.../src/pkg/runtime/sema.goc:190 +0x30
 net.(*fdMutex).RWLock(0xc210259d20, 0xc2102d9001, 0x1)
 	.../src/pkg/net/fd_mutex.go:143 +0x16b
 net.(*netFD).readLock(0xc210259d20, 0x0, 0x0)
 	.../src/pkg/net/fd_unix.go:122 +0x45
 net.(*netFD).accept(0xc210259d20, 0x29f420, 0x0, 0x0, 0x0)
 	.../src/pkg/net/fd_unix.go:368 +0x9e
 net.(*TCPListener).AcceptTCP(0xc212ec7a90, 0x0, 0x0, 0x0)
 	.../src/pkg/net/tcpsock_posix.go:233 +0x6d
 net.(*TCPListener).Accept(0xc212ec7a90, 0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/tcpsock_posix.go:243 +0x54
 net.func·084()
 	.../src/pkg/net/tcp_test.go:442 +0x59
 created by net.TestTCPConcurrentAccept
 	.../src/pkg/net/tcp_test.go:449 +0x217

 goroutine 15215 [semacquire]:
 net.runtime_Semacquire(0xc210259d28)
 	.../src/pkg/runtime/sema.goc:190 +0x30
 net.(*fdMutex).RWLock(0xc210259d20, 0xc2102d9001, 0x1)
 	.../src/pkg/net/fd_mutex.go:143 +0x16b
 net.(*netFD).readLock(0xc210259d20, 0x0, 0x0)
 	.../src/pkg/net/fd_unix.go:122 +0x45
 net.(*netFD).accept(0xc210259d20, 0x29f420, 0x0, 0x0, 0x0)
 	.../src/pkg/net/fd_unix.go:368 +0x9e
 net.(*TCPListener).AcceptTCP(0xc212ec7a90, 0x0, 0x0, 0x0)
 	.../src/pkg/net/tcpsock_posix.go:233 +0x6d
 net.(*TCPListener).Accept(0xc212ec7a90, 0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/tcpsock_posix.go:243 +0x54
 net.func·084()
 	.../src/pkg/net/tcp_test.go:442 +0x59
 created by net.TestTCPConcurrentAccept
 	.../src/pkg/net/tcp_test.go:449 +0x217

 goroutine 15214 [semacquire]:
 net.runtime_Semacquire(0xc210259d28)
 	.../src/pkg/runtime/sema.goc:190 +0x30
 net.(*fdMutex).RWLock(0xc210259d20, 0xc2102d9001, 0x1)
 	.../src/pkg/net/fd_mutex.go:143 +0x16b
 net.(*netFD).readLock(0xc210259d20, 0x0, 0x0)
 	.../src/pkg/net/fd_unix.go:122 +0x45
 net.(*netFD).accept(0xc210259d20, 0x29f420, 0x0, 0x0, 0x0)
 	.../src/pkg/net/fd_unix.go:368 +0x9e
 net.(*TCPListener).AcceptTCP(0xc212ec7a90, 0x0, 0x0, 0x0)
 	.../src/pkg/net/tcpsock_posix.go:233 +0x6d
 net.(*TCPListener).Accept(0xc212ec7a90, 0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/tcpsock_posix.go:243 +0x54
 net.func·084()
 	.../src/pkg/net/tcp_test.go:442 +0x59
 created by net.TestTCPConcurrentAccept
 	.../src/pkg/net/tcp_test.go:449 +0x217

 goroutine 15212 [semacquire]:
 net.runtime_Semacquire(0xc210259d28)
 	.../src/pkg/runtime/sema.goc:190 +0x30
 net.(*fdMutex).RWLock(0xc210259d20, 0xc2102d9001, 0x1)
 	.../src/pkg/net/fd_mutex.go:143 +0x16b
 net.(*netFD).readLock(0xc210259d20, 0x0, 0x0)
 	.../src/pkg/net/fd_unix.go:122 +0x45
 net.(*netFD).accept(0xc210259d20, 0x29f420, 0x0, 0x0, 0x0)
 	.../src/pkg/net/fd_unix.go:368 +0x9e
 net.(*TCPListener).AcceptTCP(0xc212ec7a90, 0x0, 0x0, 0x0)
 	.../src/pkg/net/tcpsock_posix.go:233 +0x6d
 net.(*TCPListener).Accept(0xc212ec7a90, 0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/tcpsock_posix.go:243 +0x54
 net.func·084()
 	.../src/pkg/net/tcp_test.go:442 +0x59
 created by net.TestTCPConcurrentAccept
 	.../src/pkg/net/tcp_test.go:449 +0x217

 goroutine 15210 [semacquire]:
 net.runtime_Semacquire(0xc210259d28)
 	.../src/pkg/runtime/sema.goc:190 +0x30
 net.(*fdMutex).RWLock(0xc210259d20, 0xc2102d9001, 0x1)
 	.../src/pkg/net/fd_mutex.go:143 +0x16b
 net.(*netFD).readLock(0xc210259d20, 0x0, 0x0)
 	.../src/pkg/net/fd_unix.go:122 +0x45
 net.(*netFD).accept(0xc210259d20, 0x29f420, 0x0, 0x0, 0x0)
 	.../src/pkg/net/fd_unix.go:368 +0x9e
 net.(*TCPListener).AcceptTCP(0xc212ec7a90, 0x0, 0x0, 0x0)
 	.../src/pkg/net/tcpsock_posix.go:233 +0x6d
 net.(*TCPListener).Accept(0xc212ec7a90, 0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/tcpsock_posix.go:243 +0x54
 net.func·084()
 	.../src/pkg/net/tcp_test.go:442 +0x59
 created by net.TestTCPConcurrentAccept
 	.../src/pkg/net/tcp_test.go:449 +0x217

 goroutine 15206 [IO wait]:
 net.runtime_pollWait(0x541730, 0x72, 0x0)
 	.../src/pkg/runtime/netpoll.goc:116 +0x6a
 net.(*pollDesc).Wait(0xc210259d80, 0x72, 0x0, 0x0)
 	.../src/pkg/net/fd_poll_runtime.go:81 +0x4c
 net.(*pollDesc).WaitRead(0xc210259d80, 0x0, 0x0)
 	.../src/pkg/net/fd_poll_runtime.go:86 +0x42
 net.(*netFD).accept(0xc210259d20, 0x29f420, 0x0, 0x53e508, 0x23)
 	.../src/pkg/net/fd_unix.go:382 +0x351
 net.(*TCPListener).AcceptTCP(0xc212ec7a90, 0x0, 0x0, 0x0)
 	.../src/pkg/net/tcpsock_posix.go:233 +0x6d
 net.(*TCPListener).Accept(0xc212ec7a90, 0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/tcpsock_posix.go:243 +0x54
 net.func·084()
 	.../src/pkg/net/tcp_test.go:442 +0x59
 created by net.TestTCPConcurrentAccept
 	.../src/pkg/net/tcp_test.go:449 +0x217

 goroutine 15209 [semacquire]:
 net.runtime_Semacquire(0xc210259d28)
 	.../src/pkg/runtime/sema.goc:190 +0x30
 net.(*fdMutex).RWLock(0xc210259d20, 0xc2102d9001, 0x1)
 	.../src/pkg/net/fd_mutex.go:143 +0x16b
 net.(*netFD).readLock(0xc210259d20, 0x0, 0x0)
 	.../src/pkg/net/fd_unix.go:122 +0x45
 net.(*netFD).accept(0xc210259d20, 0x29f420, 0x0, 0x0, 0x0)
 	.../src/pkg/net/fd_unix.go:368 +0x9e
 net.(*TCPListener).AcceptTCP(0xc212ec7a90, 0x0, 0x0, 0x0)
 	.../src/pkg/net/tcpsock_posix.go:233 +0x6d
 net.(*TCPListener).Accept(0xc212ec7a90, 0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/tcpsock_posix.go:243 +0x54
 net.func·084()
 	.../src/pkg/net/tcp_test.go:442 +0x59
 created by net.TestTCPConcurrentAccept
 	.../src/pkg/net/tcp_test.go:449 +0x217

 goroutine 15204 [chan send]:
 net.func·028()
 	.../src/pkg/net/conn_test.go:85 +0x3b
 net.transponder(0xc212ed1ab0, 0x53f680, 0xc212ec7a10, 0xc212ed38a0)
 	.../src/pkg/net/conn_test.go:115 +0x25e
 created by net.TestIPv6LinkLocalUnicastTCP
 	.../src/pkg/net/tcp_test.go:404 +0xb4e

 goroutine 15208 [semacquire]:
 net.runtime_Semacquire(0xc210259d28)
 	.../src/pkg/runtime/sema.goc:190 +0x30
 net.(*fdMutex).RWLock(0xc210259d20, 0xc2102d9001, 0x1)
 	.../src/pkg/net/fd_mutex.go:143 +0x16b
 net.(*netFD).readLock(0xc210259d20, 0x0, 0x0)
 	.../src/pkg/net/fd_unix.go:122 +0x45
 net.(*netFD).accept(0xc210259d20, 0x29f420, 0x0, 0x0, 0x0)
 	.../src/pkg/net/fd_unix.go:368 +0x9e
 net.(*TCPListener).AcceptTCP(0xc212ec7a90, 0x0, 0x0, 0x0)
 	.../src/pkg/net/tcpsock_posix.go:233 +0x6d
 net.(*TCPListener).Accept(0xc212ec7a90, 0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/tcpsock_posix.go:243 +0x54
 net.func·084()
 	.../src/pkg/net/tcp_test.go:442 +0x59
 created by net.TestTCPConcurrentAccept
 	.../src/pkg/net/tcp_test.go:449 +0x217

 goroutine 15207 [semacquire]:
 net.runtime_Semacquire(0xc210259d28)
 	.../src/pkg/runtime/sema.goc:190 +0x30
 net.(*fdMutex).RWLock(0xc210259d20, 0xc2102d9001, 0x1)
 	.../src/pkg/net/fd_mutex.go:143 +0x16b
 net.(*netFD).readLock(0xc210259d20, 0x0, 0x0)
 	.../src/pkg/net/fd_unix.go:122 +0x45
 net.(*netFD).accept(0xc210259d20, 0x29f420, 0x0, 0x0, 0x0)
 	.../src/pkg/net/fd_unix.go:368 +0x9e
 net.(*TCPListener).AcceptTCP(0xc212ec7a90, 0x0, 0x0, 0x0)
 	.../src/pkg/net/tcpsock_posix.go:233 +0x6d
 net.(*TCPListener).Accept(0xc212ec7a90, 0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/tcpsock_posix.go:243 +0x54
 net.func·084()
 	.../src/pkg/net/tcp_test.go:442 +0x59
 created by net.TestTCPConcurrentAccept
 	.../src/pkg/net/tcp_test.go:449 +0x217

 goroutine 6286 [syscall]:
 net._C2func_getaddrinfo(0x605ae0, 0x0, 0xc211ca0720, 0xc211b51680, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc211a85880, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc211a85880, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc211a85880, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc211a85880, 0x18, 0x32b1e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc211a85880, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc211a85880, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x49d)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 6382 [syscall]:
 net._C2func_getaddrinfo(0x1101bd0, 0x0, 0xc211ceb8d0, 0xc211b51970, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc211a974c0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc211a974c0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc211a974c0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc211a974c0, 0x18, 0x3311e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc211a974c0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc211a974c0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x4fd)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 6445 [syscall]:
 net._C2func_getaddrinfo(0x1101b50, 0x0, 0xc211d19480, 0xc211b51b60, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc211a97cc0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc211a97cc0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc211a97cc0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc211a97cc0, 0x18, 0x3352e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc211a97cc0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc211a97cc0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x53c)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 6574 [syscall]:
 net._C2func_getaddrinfo(0x1100b70, 0x0, 0xc211d44c60, 0xc211b51f58, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc211a9bd20, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc211a9bd20, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc211a9bd20, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc211a9bd20, 0x18, 0x33d1e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc211a9bd20, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc211a9bd20, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x5bd)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 6672 [syscall]:
 net._C2func_getaddrinfo(0x604ed0, 0x0, 0xc211d71ea0, 0xc211d73260, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc211aa0980, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc211aa0980, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc211aa0980, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc211aa0980, 0x18, 0x3464e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc211aa0980, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc211aa0980, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x61f)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 6768 [syscall]:
 net._C2func_getaddrinfo(0x604d40, 0x0, 0xc211dcc060, 0xc211d73550, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc211aa45c0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc211aa45c0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc211aa45c0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc211aa45c0, 0x18, 0x34c4e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc211aa45c0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc211aa45c0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x67f)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 6780 [syscall]:
 net._C2func_getaddrinfo(0x606220, 0x0, 0xc211dcc2a0, 0xc211d735b0, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc211aa4740, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc211aa4740, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc211aa4740, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc211aa4740, 0x18, 0x34d8e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc211aa4740, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc211aa4740, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x68b)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 6790 [syscall]:
 net._C2func_getaddrinfo(0x1100c90, 0x0, 0xc211dcc480, 0xc211d73600, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc211aa4880, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc211aa4880, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc211aa4880, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc211aa4880, 0x18, 0x34eee80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc211aa4880, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc211aa4880, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x695)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 6809 [syscall]:
 net._C2func_getaddrinfo(0x1000c90, 0x0, 0xc211dcc7e0, 0xc211d73690, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc211aa4b00, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc211aa4b00, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc211aa4b00, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc211aa4b00, 0x18, 0x34fbe80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc211aa4b00, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc211aa4b00, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x6a8)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 6825 [syscall]:
 net._C2func_getaddrinfo(0x1001cd0, 0x0, 0xc211dccae0, 0xc211d73710, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc211aa4d00, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc211aa4d00, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc211aa4d00, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc211aa4d00, 0x18, 0x360be80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc211aa4d00, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc211aa4d00, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x6b8)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 6862 [syscall]:
 net._C2func_getaddrinfo(0x1201040, 0x0, 0xc211df91b0, 0xc211d73830, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc211aa81c0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc211aa81c0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc211aa81c0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc211aa81c0, 0x18, 0x3626e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc211aa81c0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc211aa81c0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x6dd)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 6880 [syscall]:
 net._C2func_getaddrinfo(0x1200a80, 0x0, 0xc211df9510, 0xc211d738c0, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc211aa8400, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc211aa8400, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc211aa8400, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc211aa8400, 0x18, 0x3634e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc211aa8400, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc211aa8400, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x6ef)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 6881 [syscall]:
 net._C2func_getaddrinfo(0x3500200, 0x0, 0xc211df9540, 0xc211d738c8, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc211aa8420, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc211aa8420, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc211aa8420, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc211aa8420, 0x18, 0x3633e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc211aa8420, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc211aa8420, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x6f0)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 6894 [syscall]:
 net._C2func_getaddrinfo(0x1100c70, 0x0, 0xc211df97b0, 0xc211d73930, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc211aa85c0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc211aa85c0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc211aa85c0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc211aa85c0, 0x18, 0x3646e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc211aa85c0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc211aa85c0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x6fd)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 6902 [syscall]:
 net._C2func_getaddrinfo(0x11030e0, 0x0, 0xc211df9930, 0xc211d73970, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc211aa86c0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc211aa86c0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc211aa86c0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc211aa86c0, 0x18, 0x365ee80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc211aa86c0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc211aa86c0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x705)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 6906 [syscall]:
 net._C2func_getaddrinfo(0x10017e0, 0x0, 0xc211df99f0, 0xc211d73990, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc211aa8740, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc211aa8740, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc211aa8740, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc211aa8740, 0x18, 0x365ae80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc211aa8740, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc211aa8740, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x709)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 7581 [syscall]:
 net._C2func_getaddrinfo(0x4b00740, 0x0, 0xc211a72660, 0xc210000e68, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc211ad9d20, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc211ad9d20, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc211ad9d20, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc211ad9d20, 0x18, 0x38f7e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc211ad9d20, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc211ad9d20, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x9ac)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 7641 [syscall]:
 net._C2func_getaddrinfo(0x604e60, 0x0, 0xc211a72690, 0xc210000e70, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc211add4c0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc211add4c0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc211add4c0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc211add4c0, 0x18, 0x393be80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc211add4c0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc211add4c0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x9e8)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 7642 [syscall]:
 net._C2func_getaddrinfo(0x1101b90, 0x0, 0xc211a726c0, 0xc210000e78, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc211add500, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc211add500, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc211add500, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc211add500, 0x18, 0x393ae80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc211add500, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc211add500, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x9e9)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 11483 [syscall]:
 net._C2func_getaddrinfo(0x31002a0, 0x0, 0xc211b52f60, 0xc211b51290, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc211bbe580, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc211bbe580, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc211bbe580, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc211bbe580, 0x18, 0x4839e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc211bbe580, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc211bbe580, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x18ea)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 11484 [syscall]:
 net._C2func_getaddrinfo(0x1200f50, 0x0, 0xc211b52f90, 0xc211b51298, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc211bbe5c0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc211bbe5c0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc211bbe5c0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc211bbe5c0, 0x18, 0x4838e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc211bbe5c0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc211bbe5c0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x18eb)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 11485 [syscall]:
 net._C2func_getaddrinfo(0x30000b0, 0x0, 0xc211b52fc0, 0xc211b512a0, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc211bbe600, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc211bbe600, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc211bbe600, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc211bbe600, 0x18, 0x4837e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc211bbe600, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc211bbe600, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x18ec)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 11486 [syscall]:
 net._C2func_getaddrinfo(0x31000a0, 0x0, 0xc211bc3000, 0xc211b512a8, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc211bbe640, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc211bbe640, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc211bbe640, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc211bbe640, 0x18, 0x4836e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc211bbe640, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc211bbe640, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x18ed)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 11487 [syscall]:
 net._C2func_getaddrinfo(0x3100210, 0x0, 0xc211bc3030, 0xc211b512b0, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc211bbe680, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc211bbe680, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc211bbe680, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc211bbe680, 0x18, 0x4835e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc211bbe680, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc211bbe680, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x18ee)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 11489 [syscall]:
 net._C2func_getaddrinfo(0x1101bb0, 0x0, 0xc211bc3090, 0xc211b512c0, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc211bbe700, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc211bbe700, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc211bbe700, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc211bbe700, 0x18, 0x4833e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc211bbe700, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc211bbe700, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x18f0)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 11490 [syscall]:
 net._C2func_getaddrinfo(0x1000c30, 0x0, 0xc211bc30c0, 0xc211b512c8, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc211bbe740, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc211bbe740, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc211bbe740, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc211bbe740, 0x18, 0x4832e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc211bbe740, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc211bbe740, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x18f1)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 13221 [syscall]:
 net._C2func_getaddrinfo(0x1100be0, 0x0, 0xc211bc39c0, 0xc211b51448, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc211c755a0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc211c755a0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc211c755a0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc211c755a0, 0x18, 0x5066e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc211c755a0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc211c755a0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x1fb4)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 13222 [syscall]:
 net._C2func_getaddrinfo(0x31001d0, 0x0, 0xc211bc39f0, 0xc211b51450, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc211c755e0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc211c755e0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc211c755e0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc211c755e0, 0x18, 0x5065e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc211c755e0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc211c755e0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x1fb5)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 13223 [syscall]:
 net._C2func_getaddrinfo(0x35001e0, 0x0, 0xc211bc3a20, 0xc211b51458, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc211c75620, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc211c75620, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc211c75620, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc211c75620, 0x18, 0x5064e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc211c75620, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc211c75620, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x1fb6)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 13224 [syscall]:
 net._C2func_getaddrinfo(0x1002f00, 0x0, 0xc211bc3a50, 0xc211b51460, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc211c75660, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc211c75660, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc211c75660, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc211c75660, 0x18, 0x5063e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc211c75660, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc211c75660, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x1fb7)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 13225 [syscall]:
 net._C2func_getaddrinfo(0x11033f0, 0x0, 0xc211bc3a80, 0xc211b51468, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc211c756a0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc211c756a0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc211c756a0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc211c756a0, 0x18, 0x5062e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc211c756a0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc211c756a0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x1fb8)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 13226 [syscall]:
 net._C2func_getaddrinfo(0x4b00660, 0x0, 0xc211bc3ab0, 0xc211b51470, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc211c756e0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc211c756e0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc211c756e0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc211c756e0, 0x18, 0x5061e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc211c756e0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc211c756e0, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x1fb9)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 13227 [syscall]:
 net._C2func_getaddrinfo(0x12010b0, 0x0, 0xc211bc3ae0, 0xc211b51478, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc211c75720, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc211c75720, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc211c75720, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc211c75720, 0x18, 0x5070e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc211c75720, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc211c75720, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x1fba)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 13228 [syscall]:
 net._C2func_getaddrinfo(0x31002e0, 0x0, 0xc211bc3b10, 0xc211b51480, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc211c75760, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc211c75760, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc211c75760, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc211c75760, 0x18, 0x507fe80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc211c75760, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc211c75760, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x1fbb)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 14723 [syscall]:
 net._C2func_getaddrinfo(0x1200300, 0x0, 0xc211ca0240, 0xc211b515b0, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc211cb1700, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc211cb1700, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc211cb1700, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc211cb1700, 0x18, 0x5648e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc211cb1700, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc211cb1700, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x2592)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 14724 [syscall]:
 net._C2func_getaddrinfo(0x4b00290, 0x0, 0xc211ca0270, 0xc211b515b8, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc211cb1740, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc211cb1740, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc211cb1740, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc211cb1740, 0x18, 0x5647e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc211cb1740, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc211cb1740, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x2593)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 14725 [syscall]:
 net._C2func_getaddrinfo(0x3100080, 0x0, 0xc211ca02a0, 0xc211b515c0, 0x11c681, ...)
 	net/_test/_cgo_defun.c:50 +0x36
 net.cgoLookupIPCNAME(0xc211cb1780, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:96 +0x1dd
 net.cgoLookupIP(0xc211cb1780, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/cgo_unix.go:148 +0x9c
 net.lookupIP(0xc211cb1780, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup_unix.go:64 +0x90
 net.func·025(0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/lookup.go:41 +0x5a
 net.(*singleflight).Do(0x45fab0, 0xc211cb1780, 0x18, 0x5646e80, 0x0, ...)
 	.../src/pkg/net/singleflight.go:45 +0x273
 net.lookupIPMerge(0xc211cb1780, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:42 +0x122
 net.LookupIP(0xc211cb1780, 0x18, 0x0, 0x0, 0x0, ...)
 	.../src/pkg/net/lookup.go:31 +0x90
 net.func·039(0x2594)
 	.../src/pkg/net/dialgoogle_test.go:119 +0xda
 created by net.TestDNSThreadLimit
 	.../src/pkg/net/dialgoogle_test.go:121 +0x10f

 goroutine 15192 [chan send]:
 net.func·028()
 	.../src/pkg/net/conn_test.go:85 +0x3b
 net.transponder(0xc212ed13f0, 0x53f680, 0xc212ec7608, 0xc212ed32a0)
 	.../src/pkg/net/conn_test.go:115 +0x25e
 created by net.TestTCPConnSpecificMethods
 	.../src/pkg/net/protoconn_test.go:94 +0x2fb

 goroutine 15198 [IO wait]:
 net.runtime_pollWait(0x53e810, 0x72, 0x0)
 	.../src/pkg/runtime/netpoll.goc:116 +0x6a
 net.(*pollDesc).Wait(0xc2102595a0, 0x72, 0x0, 0x0)
 	.../src/pkg/net/fd_poll_runtime.go:81 +0x4c
 net.(*pollDesc).WaitRead(0xc2102595a0, 0x0, 0x0)
 	.../src/pkg/net/fd_poll_runtime.go:86 +0x42
 net.(*netFD).accept(0xc210259540, 0x29f420, 0x0, 0x53e508, 0x23)
 	.../src/pkg/net/fd_unix.go:382 +0x351
 net.(*TCPListener).AcceptTCP(0xc212ec77e8, 0x1, 0x0, 0x0)
 	.../src/pkg/net/tcpsock_posix.go:233 +0x6d
 net.(*TCPListener).Accept(0xc212ec77e8, 0x0, 0x0, 0x0, 0x0)
 	.../src/pkg/net/tcpsock_posix.go:243 +0x54
 net.runStreamConnServer(0xc212ed1750, 0x241fe0, 0x3, 0x237e60, 0x2, ...)
 	.../src/pkg/net/server_test.go:202 +0x33e
 created by net.TestStreamConnServer
 	.../src/pkg/net/server_test.go:116 +0x2f9
 FAIL	net	29.522s