[  771.305555] gre: GRE over IPv4 demultiplexor driver
[  771.485277] ip_gre: GRE over IPv4 tunneling driver
[  776.643211] ip (9017) used greatest stack depth: 12056 bytes left
[  781.101967] ip6_gre: GRE over IPv6 tunneling driver
[  783.823495] ip6_tunnel: tep1 xmit: Local address not yet configured!
[  787.127526] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  788.599511] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  789.943508] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  791.351494] ip6_tunnel: tep0 xmit: Local address not yet configured!