[  787.610875] gre: GRE over IPv4 demultiplexor driver
[  787.831836] ip_gre: GRE over IPv4 tunneling driver
[  797.968508] ip6_gre: GRE over IPv6 tunneling driver
[  804.469472] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  805.941475] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  807.349465] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  808.885435] ip6_tunnel: tep0 xmit: Local address not yet configured!