logstash failure after standby on windows

config.txt

OS Name: Microsoft Windows 7 Enterprise
OS Version: 6.1.7601 Service Pack 1 Build 7601
 
java version "1.6.0_65"
Java(TM) SE Runtime Environment (build 1.6.0_65-b14)
Java HotSpot(TM) 64-Bit Server VM (build 20.65-b04, mixed mode)

logstash.log

Exception in thread "LogStash::Runner" org.jruby.exceptions.RaiseException: (Soc
ketError) send: name or service not known
        at org.jruby.ext.socket.RubyUDPSocket.send(org/jruby/ext/socket/RubyUDPS
ocket.java:318)
        at RUBY.register(file:/C:/Users/adcurzon/Downloads/logstash-1.3.3/logsta
sh-1.3.3-flatjar.jar!/logstash/outputs/udp.rb:25)
        at org.jruby.RubyProc.call(org/jruby/RubyProc.java:271)
        at RUBY.encode(file:/C:/Users/adcurzon/Downloads/logstash-1.3.3/logstash
-1.3.3-flatjar.jar!/logstash/codecs/json.rb:45)
        at RUBY.receive(file:/C:/Users/adcurzon/Downloads/logstash-1.3.3/logstas
h-1.3.3-flatjar.jar!/logstash/outputs/udp.rb:35)
        at RUBY.handle(file:/C:/Users/adcurzon/Downloads/logstash-1.3.3/logstash
-1.3.3-flatjar.jar!/logstash/outputs/base.rb:86)
        at RUBY.initialize((eval):24)
        at org.jruby.RubyProc.call(org/jruby/RubyProc.java:271)
        at RUBY.output(file:/C:/Users/adcurzon/Downloads/logstash-1.3.3/logstash
-1.3.3-flatjar.jar!/logstash/pipeline.rb:259)
        at RUBY.outputworker(file:/C:/Users/adcurzon/Downloads/logstash-1.3.3/lo
gstash-1.3.3-flatjar.jar!/logstash/pipeline.rb:218)
        at RUBY.start_outputs(file:/C:/Users/adcurzon/Downloads/logstash-1.3.3/l
ogstash-1.3.3-flatjar.jar!/logstash/pipeline.rb:145)

shipper.conf

input {
  stdin {
    type => 'human'
  }
  eventlog {
    type => 'Win32-EventLog'
	logfile => 'System'
  }
}

output {
  stdout { }
  udp {
    port => 5959
  }
}