[  678.288014] gre: GRE over IPv4 demultiplexor driver
[  678.440123] ip_gre: GRE over IPv4 tunneling driver
[  687.232912] ip6_gre: GRE over IPv6 tunneling driver
[  692.539530] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  693.883536] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  695.163528] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  696.507498] ip6_tunnel: tep0 xmit: Local address not yet configured!