[ 1541.974183][ T2452] gre: GRE over IPv4 demultiplexer driver
[ 1542.472824][ T2475] ip_gre: GRE over IPv4 tunneling driver
[ 1559.098114][ T3046] ip6_gre: GRE over IPv6 tunneling driver
[ 1565.135673][ T3296] ping (3296) used greatest stack depth: 22624 bytes left
[ 1570.221874][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1572.268859][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1574.188839][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1576.236857][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!