[  812.304167] gre: GRE over IPv4 demultiplexor driver
[  812.482632] ip_gre: GRE over IPv4 tunneling driver
[  821.921260] ip6_gre: GRE over IPv6 tunneling driver
[  828.026502] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  829.498497] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  830.842495] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  832.314487] ip6_tunnel: tep0 xmit: Local address not yet configured!