[ 3159.272441][T28950] gre: GRE over IPv4 demultiplexor driver [ 3160.425267][T28973] ip_gre: GRE over IPv4 tunneling driver [ 3180.288853][T29319] ping (29319) used greatest stack depth: 22592 bytes left [ 3195.785847][T29545] ip6_gre: GRE over IPv6 tunneling driver [ 3199.995577][ T61] ip6_tunnel: tep1 xmit: Local address not yet configured! [ 3219.579446][ C1] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 3223.355457][ C0] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 3226.554452][ C3] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 3230.330471][ C0] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 3280.508962][T30942] ping (30942) used greatest stack depth: 22144 bytes left