[  813.156600] gre: GRE over IPv4 demultiplexor driver
[  813.359900] ip_gre: GRE over IPv4 tunneling driver
[  823.023172] ip6_gre: GRE over IPv6 tunneling driver
[  828.988470] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  830.460478] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  831.868462] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  833.277443] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  835.659241] ip (10336) used greatest stack depth: 12176 bytes left