[ 3169.754201][T29066] gre: GRE over IPv4 demultiplexor driver
[ 3170.893085][T29089] ip_gre: GRE over IPv4 tunneling driver
[ 3206.035443][T29660] ip6_gre: GRE over IPv6 tunneling driver
[ 3207.455291][T28699] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3221.216987][  T540] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3226.464243][ T8345] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3230.239161][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3233.887165][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3237.087160][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3240.799158][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3288.064892][T30993] ping (30993) used greatest stack depth: 22600 bytes left