[ 3091.598452][T17252] gre: GRE over IPv4 demultiplexor driver [ 3093.648845][T17275] ip_gre: GRE over IPv4 tunneling driver [ 3154.332033][T17847] ip6_gre: GRE over IPv6 tunneling driver [ 3195.947521][ C1] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 3201.899471][ C2] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 3206.828460][ C3] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 3212.715475][ C2] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 3311.875949][T19330] ping (19330) used greatest stack depth: 22256 bytes left