[ 3210.254613][T27807] gre: GRE over IPv4 demultiplexor driver
[ 3211.416263][T27830] ip_gre: GRE over IPv4 tunneling driver
[ 3246.998924][T28402] ip6_gre: GRE over IPv6 tunneling driver
[ 3262.310553][T14885] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3264.995548][T20538] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3271.904492][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3275.681490][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3278.944516][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3282.784505][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3303.490058][T29319] ping (29319) used greatest stack depth: 22912 bytes left