[  678.201568] gre: GRE over IPv4 demultiplexer driver
[  678.323865] ip_gre: GRE over IPv4 tunneling driver
[  686.844524] ip6_gre: GRE over IPv6 tunneling driver
[  692.151770] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  693.495757] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  694.776754] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  696.184748] ip6_tunnel: tep0 xmit: Local address not yet configured!