[ 1417.545402][T24955] gre: GRE over IPv4 demultiplexer driver
[ 1418.006449][T24978] ip_gre: GRE over IPv4 tunneling driver
[ 1433.497190][T25549] ip6_gre: GRE over IPv6 tunneling driver
[ 1437.749032][T25748] ping (25748) used greatest stack depth: 23328 bytes left
[ 1443.519821][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1445.503773][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1447.296779][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1449.279784][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!