[ 1447.095629][T11890] gre: GRE over IPv4 demultiplexer driver
[ 1447.554203][T11920] ip_gre: GRE over IPv4 tunneling driver
[ 1462.959462][T12494] ip6_gre: GRE over IPv6 tunneling driver
[ 1470.229121][T12844] ping (12844) used greatest stack depth: 23344 bytes left
[ 1473.028043][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1475.012013][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1476.804012][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1478.787023][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!