[  796.390736] gre: GRE over IPv4 demultiplexer driver
[  796.443217] ip_gre: GRE over IPv4 tunneling driver
[  802.700912] ip6_gre: GRE over IPv6 tunneling driver
[  806.467302] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  807.619303] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  808.772301] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  809.924304] ip6_tunnel: tep0 xmit: Local address not yet configured!