[  726.836589] gre: GRE over IPv4 demultiplexor driver
[  726.980315] ip_gre: GRE over IPv4 tunneling driver
[  728.617478] ip (12674) used greatest stack depth: 12128 bytes left
[  735.557326] ip6_gre: GRE over IPv6 tunneling driver
[  740.986455] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  742.330469] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  743.610463] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  744.955440] ip6_tunnel: tep0 xmit: Local address not yet configured!