[  669.022222] gre: GRE over IPv4 demultiplexor driver
[  669.196336] ip_gre: GRE over IPv4 tunneling driver
[  677.973825] ip6_gre: GRE over IPv6 tunneling driver
[  683.514458] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  684.858447] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  686.202460] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  687.546428] ip6_tunnel: tep0 xmit: Local address not yet configured!