[  724.100404] gre: GRE over IPv4 demultiplexor driver
[  724.317106] ip_gre: GRE over IPv4 tunneling driver
[  734.512655] ip6_gre: GRE over IPv6 tunneling driver
[  737.450893] ip (4537) used greatest stack depth: 12192 bytes left
[  740.795680] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  742.267681] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  743.675683] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  745.147689] ip6_tunnel: tep0 xmit: Local address not yet configured!