[ 1181.392786][T25019] gre: GRE over IPv4 demultiplexer driver
[ 1181.925770][T25043] ip_gre: GRE over IPv4 tunneling driver
[ 1187.814263][T25295] ping (25295) used greatest stack depth: 23408 bytes left
[ 1198.664603][T25614] ip6_gre: GRE over IPv6 tunneling driver
[ 1206.864775][T25957] ping (25957) used greatest stack depth: 22952 bytes left
[ 1209.829659][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1211.942619][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1213.862112][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1215.974630][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!