[ 1387.405270][T19039] gre: GRE over IPv4 demultiplexer driver
[ 1387.931031][T19062] ip_gre: GRE over IPv4 tunneling driver
[ 1395.531071][T19410] ping (19410) used greatest stack depth: 23584 bytes left
[ 1403.852883][T19635] ip6_gre: GRE over IPv6 tunneling driver
[ 1409.684592][T19884] ping (19884) used greatest stack depth: 23240 bytes left
[ 1414.555125][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1416.603103][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1418.716081][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1420.764087][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!