[    3.684108] ip (393) used greatest stack depth: 12560 bytes left
[    3.700496] veth0: renamed from veth1
[    3.726241] gre: GRE over IPv4 demultiplexer driver
[    3.728256] ip6_gre: GRE over IPv6 tunneling driver
[    3.733761] ip6_tunnel: gre1 xmit: Local address not yet configured!
[    3.739318] ip6_tunnel: gre1 xmit: Local address not yet configured!
[    5.810658] socat (447) used greatest stack depth: 12496 bytes left