[  679.893603] gre: GRE over IPv4 demultiplexor driver
[  680.021908] ip_gre: GRE over IPv4 tunneling driver
[  688.254414] ip6_gre: GRE over IPv6 tunneling driver
[  693.570784] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  694.914788] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  696.258785] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  697.602754] ip6_tunnel: tep0 xmit: Local address not yet configured!