[  824.612475] gre: GRE over IPv4 demultiplexor driver
[  824.796399] ip_gre: GRE over IPv4 tunneling driver
[  834.540225] ip6_gre: GRE over IPv6 tunneling driver
[  836.294012] ip (7323) used greatest stack depth: 12032 bytes left
[  840.442506] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  841.914509] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  843.258523] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  844.667477] ip6_tunnel: tep0 xmit: Local address not yet configured!