[ 3488.793842][T23671] gre: GRE over IPv4 demultiplexor driver
[ 3490.040203][T23694] ip_gre: GRE over IPv4 tunneling driver
[ 3505.099383][T23948] ping (23948) used greatest stack depth: 23296 bytes left
[ 3526.946760][T24267] ip6_gre: GRE over IPv6 tunneling driver
[ 3545.334742][ T1284] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3552.502266][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3556.407240][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3559.734275][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3563.446242][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!