[ 3913.244484][T28291] gre: GRE over IPv4 demultiplexor driver
[ 3914.481827][T28314] ip_gre: GRE over IPv4 tunneling driver
[ 3950.863609][T28887] ip6_gre: GRE over IPv6 tunneling driver
[ 3957.760687][ T1333] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3965.751719][T29137] ping (29137) used greatest stack depth: 23568 bytes left
[ 3968.768743][T25734] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3971.694435][T29238] ping (29238) used greatest stack depth: 23296 bytes left
[ 3975.937507][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3979.776526][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3983.168614][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3988.672522][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!