[  727.672076] gre: GRE over IPv4 demultiplexor driver
[  727.852796] ip_gre: GRE over IPv4 tunneling driver
[  728.224079] ip (3610) used greatest stack depth: 12192 bytes left
[  737.727294] ip6_gre: GRE over IPv6 tunneling driver
[  744.059676] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  745.531692] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  747.003683] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  748.539659] ip6_tunnel: tep0 xmit: Local address not yet configured!