[  721.254254] gre: GRE over IPv4 demultiplexor driver
[  721.473273] ip_gre: GRE over IPv4 tunneling driver
[  730.138906] ip (4198) used greatest stack depth: 12072 bytes left
[  731.846925] ip6_gre: GRE over IPv6 tunneling driver
[  738.235634] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  739.771649] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  741.179644] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  742.651620] ip6_tunnel: tep0 xmit: Local address not yet configured!