[ 1384.779966][T13396] gre: GRE over IPv4 demultiplexer driver
[ 1385.258057][T13420] ip_gre: GRE over IPv4 tunneling driver
[ 1400.980533][T13991] ip6_gre: GRE over IPv6 tunneling driver
[ 1406.869697][T14241] ping (14241) used greatest stack depth: 22384 bytes left
[ 1412.765947][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1415.196958][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1417.308928][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1419.420930][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!