[ 1452.695653][ T1405] gre: GRE over IPv4 demultiplexer driver
[ 1453.203294][ T1428] ip_gre: GRE over IPv4 tunneling driver
[ 1469.793828][ T2001] ip6_gre: GRE over IPv6 tunneling driver
[ 1477.728822][ T2344] ping (2344) used greatest stack depth: 23320 bytes left
[ 1477.865932][   T62] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1480.671836][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1482.719816][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1484.639811][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1486.752818][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!