[  778.381035] gre: GRE over IPv4 demultiplexor driver
[  778.563302] ip_gre: GRE over IPv4 tunneling driver
[  788.403356] ip6_gre: GRE over IPv6 tunneling driver
[  794.556667] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  796.028655] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  797.436661] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  798.909661] ip6_tunnel: tep0 xmit: Local address not yet configured!