[  635.468925] gre: GRE over IPv4 demultiplexer driver
[  635.541295] ip_gre: GRE over IPv4 tunneling driver
[  641.849277] ip6_gre: GRE over IPv6 tunneling driver
[  645.640506] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  646.792508] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  647.944506] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  649.096506] ip6_tunnel: tep0 xmit: Local address not yet configured!