[ 3321.281842][T23676] gre: GRE over IPv4 demultiplexer driver
[ 3322.920586][T23699] ip_gre: GRE over IPv4 tunneling driver
[ 3351.130884][T24045] ping (24045) used greatest stack depth: 23840 bytes left
[ 3371.964511][T24272] ip6_gre: GRE over IPv6 tunneling driver
[ 3392.985746][T24521] ping (24521) used greatest stack depth: 23648 bytes left
[ 3393.472148][T12002] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3406.016985][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3410.943969][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3415.167983][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3420.159975][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!