[ 1563.860357][ T5793] gre: GRE over IPv4 demultiplexer driver
[ 1564.349381][ T5816] ip_gre: GRE over IPv4 tunneling driver
[ 1580.174041][ T6387] ip6_gre: GRE over IPv6 tunneling driver
[ 1584.630489][ T6586] ping (6586) used greatest stack depth: 23536 bytes left
[ 1585.722796][ T6636] ping (6636) used greatest stack depth: 23072 bytes left
[ 1586.808583][   T23] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1590.649096][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1592.632095][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1594.553095][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1596.536104][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!