[  807.867816] gre: GRE over IPv4 demultiplexor driver
[  808.026564] ip_gre: GRE over IPv4 tunneling driver
[  812.000265] ip (8447) used greatest stack depth: 12032 bytes left
[  817.657972] ip6_gre: GRE over IPv6 tunneling driver
[  823.609483] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  825.081495] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  826.425480] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  827.897435] ip6_tunnel: tep0 xmit: Local address not yet configured!