[ 4231.286681][  T521] veth0: renamed from veth1
[ 4232.001728][  T539] gre: GRE over IPv4 demultiplexer driver
[ 4232.021130][  T539] ip6_gre: GRE over IPv6 tunneling driver
[ 4232.180871][   T68] ip6_tunnel: gre1 xmit: Local address not yet configured!
[ 4232.422444][   T68] ip6_tunnel: gre1 xmit: Local address not yet configured!
[ 4236.460464][  T563] socat (563) used greatest stack depth: 23344 bytes left
[ 4237.903113][  T579] socat (579) used greatest stack depth: 22736 bytes left