[  777.059659] gre: GRE over IPv4 demultiplexor driver
[  777.240877] ip_gre: GRE over IPv4 tunneling driver
[  786.680628] ip6_gre: GRE over IPv6 tunneling driver
[  792.897474] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  794.369479] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  795.713478] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  797.185469] ip6_tunnel: tep0 xmit: Local address not yet configured!