[ 1411.111056][ T6302] gre: GRE over IPv4 demultiplexer driver
[ 1411.614518][ T6325] ip_gre: GRE over IPv4 tunneling driver
[ 1428.008409][ T6898] ip6_gre: GRE over IPv6 tunneling driver
[ 1433.873834][ T7148] ping (7148) used greatest stack depth: 22384 bytes left
[ 1438.868165][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1440.915138][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1442.835138][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1444.884137][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!