[ 3373.805951][T32385] gre: GRE over IPv4 demultiplexor driver
[ 3375.004505][T32408] ip_gre: GRE over IPv4 tunneling driver
[ 3410.821742][  T513] ip6_gre: GRE over IPv6 tunneling driver
[ 3425.960952][T29037] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3428.455378][T23429] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3435.175296][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3438.887309][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3442.215279][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3445.928295][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3575.036298][ T3129] ping (3129) used greatest stack depth: 22320 bytes left