[  722.789766] gre: GRE over IPv4 demultiplexor driver
[  722.926704] ip_gre: GRE over IPv4 tunneling driver
[  726.007998] ip (12554) used greatest stack depth: 12272 bytes left
[  731.323951] ip6_gre: GRE over IPv6 tunneling driver
[  736.506440] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  737.850439] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  739.130427] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  740.475399] ip6_tunnel: tep0 xmit: Local address not yet configured!