[  713.223527] gre: GRE over IPv4 demultiplexor driver
[  713.394296] ip_gre: GRE over IPv4 tunneling driver
[  720.508812] ip (6485) used greatest stack depth: 12176 bytes left
[  723.359078] ip6_gre: GRE over IPv6 tunneling driver
[  725.090418] ip6_tunnel: tep1 xmit: Local address not yet configured!
[  729.529415] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  731.001421] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  732.345424] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  734.521392] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  743.170568] ip (7668) used greatest stack depth: 12032 bytes left