[ 1463.400456][  T626] gre: GRE over IPv4 demultiplexer driver
[ 1463.874146][  T649] ip_gre: GRE over IPv4 tunneling driver
[ 1480.065962][ T1223] ip6_gre: GRE over IPv6 tunneling driver
[ 1485.738486][ T1473] ping (1473) used greatest stack depth: 23184 bytes left
[ 1490.667533][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1492.714496][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1494.634495][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1496.682516][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1518.097047][ T2607] ping (2607) used greatest stack depth: 22928 bytes left