[ 1691.807845][T10786] gre: GRE over IPv4 demultiplexer driver
[ 1692.440059][T10809] ip_gre: GRE over IPv4 tunneling driver
[ 1710.203622][T11387] ip6_gre: GRE over IPv6 tunneling driver
[ 1716.345460][T11638] ping (11638) used greatest stack depth: 23152 bytes left
[ 1721.743697][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1723.855617][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1725.839607][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1728.080610][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!