[ 1468.648483][  T612] gre: GRE over IPv4 demultiplexer driver
[ 1469.067485][  T635] ip_gre: GRE over IPv4 tunneling driver
[ 1474.391469][  T887] ping (887) used greatest stack depth: 23536 bytes left
[ 1484.650307][ T1206] ip6_gre: GRE over IPv6 tunneling driver
[ 1486.112939][ T1267] ping (1267) used greatest stack depth: 23416 bytes left
[ 1488.236176][ T6378] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1490.033287][ T1455] ping (1455) used greatest stack depth: 23344 bytes left
[ 1494.859667][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1496.843092][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1498.700099][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1500.684091][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!