[ 4241.985533][T21513] gre: GRE over IPv4 demultiplexor driver
[ 4243.591847][T21537] ip_gre: GRE over IPv4 tunneling driver
[ 4292.617081][T22120] ip6_gre: GRE over IPv6 tunneling driver
[ 4317.644219][T13917] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 4326.540147][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4331.468067][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4335.756042][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4340.620041][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4410.849304][T23514] ping (23514) used greatest stack depth: 23232 bytes left