[  968.182686] gre: GRE over IPv4 demultiplexor driver
[  968.378524] ip_gre: GRE over IPv4 tunneling driver
[  977.970366] ip6_gre: GRE over IPv6 tunneling driver
[  984.124743] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  985.596749] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  987.004834] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  988.476719] ip6_tunnel: tep0 xmit: Local address not yet configured!