[  728.438321] gre: GRE over IPv4 demultiplexor driver
[  728.599965] ip_gre: GRE over IPv4 tunneling driver
[  737.495155] ip6_gre: GRE over IPv6 tunneling driver
[  743.033483] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  744.377491] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  745.721485] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  747.130453] ip6_tunnel: tep0 xmit: Local address not yet configured!