[  761.115725] gre: GRE over IPv4 demultiplexor driver
[  761.307407] ip_gre: GRE over IPv4 tunneling driver
[  770.791373] ip6_gre: GRE over IPv6 tunneling driver
[  776.695595] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  778.103580] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  779.447584] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  780.855553] ip6_tunnel: tep0 xmit: Local address not yet configured!