[  666.559876] gre: GRE over IPv4 demultiplexer driver
[  666.650181] ip_gre: GRE over IPv4 tunneling driver
[  673.072916] ip6_gre: GRE over IPv6 tunneling driver
[  676.912821] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  678.064821] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  679.215829] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  680.367822] ip6_tunnel: tep0 xmit: Local address not yet configured!