[  669.635913] gre: GRE over IPv4 demultiplexor driver
[  669.789460] ip_gre: GRE over IPv4 tunneling driver
[  678.237948] ip6_gre: GRE over IPv6 tunneling driver
[  683.705465] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  685.049454] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  686.329442] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  687.673421] ip6_tunnel: tep0 xmit: Local address not yet configured!