[  770.012232] gre: GRE over IPv4 demultiplexor driver
[  770.210301] ip_gre: GRE over IPv4 tunneling driver
[  779.904299] ip6_gre: GRE over IPv6 tunneling driver
[  785.974464] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  787.446463] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  788.790466] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  790.262474] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  803.158727] ping (10714) used greatest stack depth: 11992 bytes left