[  979.845026][T16206] gre: GRE over IPv4 demultiplexer driver
[  980.297055][T16229] ip_gre: GRE over IPv4 tunneling driver
[  987.973162][T16576] ping (16576) used greatest stack depth: 23776 bytes left
[  996.326179][T16801] ip6_gre: GRE over IPv6 tunneling driver
[  996.837337][T11392] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1004.053818][  T509] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1006.765275][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1008.814262][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1010.670267][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1012.718270][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!