[  724.103114] gre: GRE over IPv4 demultiplexor driver
[  724.299239] ip_gre: GRE over IPv4 tunneling driver
[  734.072774] ip6_gre: GRE over IPv6 tunneling driver
[  734.896676] ip6_tunnel: tep1 xmit: Local address not yet configured!
[  737.852766] ping (4711) used greatest stack depth: 11960 bytes left
[  740.285695] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  741.757692] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  743.165689] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  744.637659] ip6_tunnel: tep0 xmit: Local address not yet configured!