[  727.707209] gre: GRE over IPv4 demultiplexor driver
[  727.884488] ip_gre: GRE over IPv4 tunneling driver
[  737.786696] ip6_gre: GRE over IPv6 tunneling driver
[  743.930642] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  745.402644] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  746.810634] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  748.218605] ip6_tunnel: tep0 xmit: Local address not yet configured!