[  659.012657] gre: GRE over IPv4 demultiplexor driver
[  659.180681] ip_gre: GRE over IPv4 tunneling driver
[  668.315138] ip6_gre: GRE over IPv6 tunneling driver
[  673.862503] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  675.206497] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  676.486510] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  677.830484] ip6_tunnel: tep0 xmit: Local address not yet configured!