[  665.142740] gre: GRE over IPv4 demultiplexer driver
[  665.201160] ip_gre: GRE over IPv4 tunneling driver
[  671.473569] ip6_gre: GRE over IPv6 tunneling driver
[  675.152858] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  676.304859] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  677.391859] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  678.544861] ip6_tunnel: tep0 xmit: Local address not yet configured!