[  740.606352] gre: GRE over IPv4 demultiplexor driver
[  740.803706] ip_gre: GRE over IPv4 tunneling driver
[  750.658943] ip6_gre: GRE over IPv6 tunneling driver
[  752.505575] ip (31384) used greatest stack depth: 12032 bytes left
[  756.732902] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  758.204915] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  759.612909] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  761.148889] ip6_tunnel: tep0 xmit: Local address not yet configured!