[ 3062.861158][T17233] gre: GRE over IPv4 demultiplexor driver
[ 3064.970632][T17256] ip_gre: GRE over IPv4 tunneling driver
[ 3091.300073][T17508] ping (17508) used greatest stack depth: 22896 bytes left
[ 3126.240167][T17827] ip6_gre: GRE over IPv6 tunneling driver
[ 3169.078887][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3175.222781][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3180.150778][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3186.294791][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!