[ 1491.202134][  T635] gre: GRE over IPv4 demultiplexer driver
[ 1491.662622][  T658] ip_gre: GRE over IPv4 tunneling driver
[ 1497.029138][  T910] ping (910) used greatest stack depth: 23152 bytes left
[ 1507.227209][ T1229] ip6_gre: GRE over IPv6 tunneling driver
[ 1512.556622][ T1478] ping (1478) used greatest stack depth: 22912 bytes left
[ 1517.327598][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1519.311562][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1521.104571][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1523.087570][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!