[  721.792489] gre: GRE over IPv4 demultiplexor driver
[  721.924686] ip_gre: GRE over IPv4 tunneling driver
[  730.775143] ip6_gre: GRE over IPv6 tunneling driver
[  736.188531] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  737.532515] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  738.876517] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  740.284488] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  767.627712] ping (15385) used greatest stack depth: 12128 bytes left