[  725.429337] gre: GRE over IPv4 demultiplexor driver
[  725.633235] ip_gre: GRE over IPv4 tunneling driver
[  735.054294] ip6_gre: GRE over IPv6 tunneling driver
[  735.918383] ip (4430) used greatest stack depth: 12064 bytes left
[  741.180725] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  742.652723] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  744.060728] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  745.468694] ip6_tunnel: tep0 xmit: Local address not yet configured!