[  761.056531] gre: GRE over IPv4 demultiplexor driver
[  761.229739] ip_gre: GRE over IPv4 tunneling driver
[  770.447240] ip6_gre: GRE over IPv6 tunneling driver
[  776.054488] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  777.526489] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  778.870481] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  780.279455] ip6_tunnel: tep0 xmit: Local address not yet configured!