[  728.453019] gre: GRE over IPv4 demultiplexor driver
[  728.526145] ip (11901) used greatest stack depth: 12048 bytes left
[  728.613099] ip_gre: GRE over IPv4 tunneling driver
[  737.575432] ip6_gre: GRE over IPv6 tunneling driver
[  743.225407] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  744.633406] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  745.977411] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  747.386382] ip6_tunnel: tep0 xmit: Local address not yet configured!