[  768.159891] gre: GRE over IPv4 demultiplexor driver
[  768.320226] ip_gre: GRE over IPv4 tunneling driver
[  771.384884] ip (7263) used greatest stack depth: 12152 bytes left
[  777.493308] ip6_gre: GRE over IPv6 tunneling driver
[  783.223474] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  784.631477] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  785.975472] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  787.384443] ip6_tunnel: tep0 xmit: Local address not yet configured!