[  754.187844] gre: GRE over IPv4 demultiplexor driver
[  754.345373] ip_gre: GRE over IPv4 tunneling driver
[  763.809834] ip6_gre: GRE over IPv6 tunneling driver
[  769.719486] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  771.127474] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  772.471499] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  773.879458] ip6_tunnel: tep0 xmit: Local address not yet configured!