[  734.727419] gre: GRE over IPv4 demultiplexor driver
[  734.889978] ip_gre: GRE over IPv4 tunneling driver
[  740.717909] ip (6941) used greatest stack depth: 12128 bytes left
[  743.445317] ip6_gre: GRE over IPv6 tunneling driver
[  749.178627] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  750.586607] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  751.866625] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  753.274584] ip6_tunnel: tep0 xmit: Local address not yet configured!