[ 1683.730787][T16839] gre: GRE over IPv4 demultiplexer driver
[ 1684.316692][T16862] ip_gre: GRE over IPv4 tunneling driver
[ 1701.244802][T17433] ip6_gre: GRE over IPv6 tunneling driver
[ 1707.325961][T17684] ping (17684) used greatest stack depth: 22952 bytes left
[ 1712.366157][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1714.478113][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1716.397139][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1718.446117][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!