[  768.067851] gre: GRE over IPv4 demultiplexor driver
[  768.263372] ip_gre: GRE over IPv4 tunneling driver
[  769.729650] ip (5362) used greatest stack depth: 12184 bytes left
[  778.398361] ip6_gre: GRE over IPv6 tunneling driver
[  784.822446] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  786.358439] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  787.766435] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  789.238415] ip6_tunnel: tep0 xmit: Local address not yet configured!