[  771.610489] gre: GRE over IPv4 demultiplexor driver
[  771.788704] ip_gre: GRE over IPv4 tunneling driver
[  773.956591] ip (31972) used greatest stack depth: 12160 bytes left
[  781.105857] ip6_gre: GRE over IPv6 tunneling driver
[  782.936371] ip6_tunnel: tep1 xmit: Local address not yet configured!
[  787.320381] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  788.792379] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  790.200386] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  791.672359] ip6_tunnel: tep0 xmit: Local address not yet configured!