OpenVPN client when IPv6 is disabled

noip6.ovpn

# If your system has IPv6 disabled, OpenVPN will error out when receiving
# route6 and ip6 information from the server (assuming it supports IPv6)
# Add the following to your OpenVPN configuration to allow the connection
# to succeed by ignoring them
#
# You'll see the following in your error messages after the session is established
# if you're having this issue. It is fatal and the tunnel will fail to come up
#
# ...
# do_ifconfig, tt->did_ifconfig_ipv6_setup=1
# /sbin/ip link set dev vtun0 up mtu 1500
# /sbin/ip addr add dev vtun0 a.b.c.d 255.255.255.0 broadcast a.b.c.d
# /sbin/ip -6 addr add aaaa:bbbb:cccc:nn::xxxx/64 dev vtun0
# Linux ip -6 addr add failed: external program exited with error status: 2
# Exiting due to fatal error
#
pull-filter ignore "ifconfig-ipv6 "
pull-filter ignore "route-ipv6 "