[ 3401.748412][T31463] gre: GRE over IPv4 demultiplexor driver
[ 3403.019257][T31487] ip_gre: GRE over IPv4 tunneling driver
[ 3423.894875][T31835] ping (31835) used greatest stack depth: 22592 bytes left
[ 3439.337065][T32061] ip6_gre: GRE over IPv6 tunneling driver
[ 3463.469645][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3467.180597][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3470.380590][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3474.028841][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!