[ 3037.339145][T17237] gre: GRE over IPv4 demultiplexor driver
[ 3039.426053][T17261] ip_gre: GRE over IPv4 tunneling driver
[ 3100.240400][T17834] ip6_gre: GRE over IPv6 tunneling driver
[ 3126.631701][T18083] ping (18083) used greatest stack depth: 23616 bytes left
[ 3142.521258][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3148.538186][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3153.593184][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3159.481198][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!