[  676.564776] gre: GRE over IPv4 demultiplexor driver
[  676.727400] ip_gre: GRE over IPv4 tunneling driver
[  686.118346] ip6_gre: GRE over IPv6 tunneling driver
[  691.770779] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  693.114773] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  694.394862] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  695.739750] ip6_tunnel: tep0 xmit: Local address not yet configured!