[  351.569667] gre: GRE over IPv4 demultiplexor driver
[  351.740442] ip_gre: GRE over IPv4 tunneling driver
[  356.879432] ip (14810) used greatest stack depth: 12152 bytes left
[  361.179165] ip6_gre: GRE over IPv6 tunneling driver
[  366.721899] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  368.129951] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  369.473958] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  370.882871] ip6_tunnel: tep0 xmit: Local address not yet configured!