[ 1669.295235][T12649] gre: GRE over IPv4 demultiplexer driver
[ 1669.733354][T12672] ip_gre: GRE over IPv4 tunneling driver
[ 1685.359580][T13246] ip6_gre: GRE over IPv6 tunneling driver
[ 1688.894025][T12731] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1690.740618][T13495] ping (13495) used greatest stack depth: 23320 bytes left
[ 1695.511808][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1697.496800][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1699.351809][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1701.400809][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!