[ 1437.423649][T24614] gre: GRE over IPv4 demultiplexer driver
[ 1437.925749][T24637] ip_gre: GRE over IPv4 tunneling driver
[ 1453.774340][T25208] ip6_gre: GRE over IPv6 tunneling driver
[ 1459.296774][T25458] ping (25458) used greatest stack depth: 23200 bytes left
[ 1464.195995][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1466.180961][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1468.036956][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1470.019963][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!