[  640.888585] gre: GRE over IPv4 demultiplexer driver
[  641.036932] ip_gre: GRE over IPv4 tunneling driver
[  650.073327] ip6_gre: GRE over IPv6 tunneling driver
[  655.551247] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  656.896247] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  658.240247] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  659.647230] ip6_tunnel: tep0 xmit: Local address not yet configured!