[  786.114550] gre: GRE over IPv4 demultiplexor driver
[  786.311577] ip_gre: GRE over IPv4 tunneling driver
[  796.017337] ip6_gre: GRE over IPv6 tunneling driver
[  802.361434] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  803.897429] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  805.305455] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  806.778403] ip6_tunnel: tep0 xmit: Local address not yet configured!