[  726.480980] gre: GRE over IPv4 demultiplexor driver
[  726.636422] ip_gre: GRE over IPv4 tunneling driver
[  735.315135] ip6_gre: GRE over IPv6 tunneling driver
[  738.138460] ip6_tunnel: tep1 xmit: Local address not yet configured!
[  740.858484] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  741.379316] ip (6252) used greatest stack depth: 12144 bytes left
[  742.266477] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  743.610488] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  745.019448] ip6_tunnel: tep0 xmit: Local address not yet configured!