[ 1526.076380][ T2394] gre: GRE over IPv4 demultiplexer driver
[ 1526.536595][ T2417] ip_gre: GRE over IPv4 tunneling driver
[ 1542.021167][ T2989] ip6_gre: GRE over IPv6 tunneling driver
[ 1547.586987][ T3246] ping (3246) used greatest stack depth: 23336 bytes left
[ 1552.388932][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1554.372901][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1556.228913][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1558.213917][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!