[ 1410.261950][ T4670] gre: GRE over IPv4 demultiplexer driver
[ 1410.691037][ T4693] ip_gre: GRE over IPv4 tunneling driver
[ 1426.109278][ T5268] ip6_gre: GRE over IPv6 tunneling driver
[ 1431.484652][T14814] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1433.294298][ T5612] ping (5612) used greatest stack depth: 22640 bytes left
[ 1436.132591][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1438.115590][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1439.908590][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1441.892610][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!