[  792.496842] gre: GRE over IPv4 demultiplexor driver
[  792.697548] ip_gre: GRE over IPv4 tunneling driver
[  802.594111] ip6_gre: GRE over IPv6 tunneling driver
[  809.143476] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  810.615479] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  812.023467] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  813.495459] ip6_tunnel: tep0 xmit: Local address not yet configured!