[ 1457.240952][  T881] gre: GRE over IPv4 demultiplexer driver
[ 1457.668972][  T904] ip_gre: GRE over IPv4 tunneling driver
[ 1462.974992][ T1156] ping (1156) used greatest stack depth: 23504 bytes left
[ 1473.182170][ T1475] ip6_gre: GRE over IPv6 tunneling driver
[ 1478.578051][ T1724] ping (1724) used greatest stack depth: 23344 bytes left
[ 1483.327882][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1485.311856][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1487.168855][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1489.151858][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!