[  720.673041] gre: GRE over IPv4 demultiplexor driver
[  720.890770] ip_gre: GRE over IPv4 tunneling driver
[  730.951602] ip6_gre: GRE over IPv6 tunneling driver
[  733.733162] ip (3586) used greatest stack depth: 12072 bytes left
[  737.082677] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  738.554671] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  739.962701] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  741.498653] ip6_tunnel: tep0 xmit: Local address not yet configured!