[  726.053907] gre: GRE over IPv4 demultiplexor driver
[  726.250427] ip_gre: GRE over IPv4 tunneling driver
[  736.205682] ip6_gre: GRE over IPv6 tunneling driver
[  741.639364] ip (4700) used greatest stack depth: 12192 bytes left
[  742.524816] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  743.996832] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  745.340836] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  746.813791] ip6_tunnel: tep0 xmit: Local address not yet configured!