[ 1480.133592][T13588] gre: GRE over IPv4 demultiplexer driver
[ 1480.605937][T13612] ip_gre: GRE over IPv4 tunneling driver
[ 1496.665288][T14193] ip6_gre: GRE over IPv6 tunneling driver
[ 1502.200158][T14450] ping (14450) used greatest stack depth: 23336 bytes left
[ 1507.029099][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1509.012056][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1510.869066][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1512.852082][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!