[  718.786547] gre: GRE over IPv4 demultiplexor driver
[  718.999988] ip_gre: GRE over IPv4 tunneling driver
[  721.439343] ip (3907) used greatest stack depth: 12072 bytes left
[  729.106058] ip6_gre: GRE over IPv6 tunneling driver
[  735.483698] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  736.955713] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  738.427704] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  739.963671] ip6_tunnel: tep0 xmit: Local address not yet configured!