[  761.978840] gre: GRE over IPv4 demultiplexor driver
[  762.140797] ip_gre: GRE over IPv4 tunneling driver
[  771.551329] ip6_gre: GRE over IPv6 tunneling driver
[  777.657698] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  779.129704] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  780.537691] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  782.009671] ip6_tunnel: tep0 xmit: Local address not yet configured!