[  724.076562] gre: GRE over IPv4 demultiplexor driver
[  724.203033] ip_gre: GRE over IPv4 tunneling driver
[  732.885738] ip6_gre: GRE over IPv6 tunneling driver
[  734.957996] ip (9525) used greatest stack depth: 12160 bytes left
[  738.361441] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  739.705423] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  741.049428] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  742.457397] ip6_tunnel: tep0 xmit: Local address not yet configured!