[  735.468048] gre: GRE over IPv4 demultiplexor driver
[  735.617917] ip_gre: GRE over IPv4 tunneling driver
[  742.825603] ip (6719) used greatest stack depth: 12016 bytes left
[  744.273506] ip6_gre: GRE over IPv6 tunneling driver
[  749.689478] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  751.097489] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  752.441495] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  753.849451] ip6_tunnel: tep0 xmit: Local address not yet configured!