[    1.568696] iptables (232) used greatest stack depth: 12880 bytes left
[    1.746350] ip (254) used greatest stack depth: 12368 bytes left
[    2.089008] ip (289) used greatest stack depth: 12320 bytes left
[   46.063323] netem: version 1.3
[  167.290135] ip (3157) used greatest stack depth: 12160 bytes left
[  472.743387] ip (9326) used greatest stack depth: 12048 bytes left
[  544.110297] tc (11919) used greatest stack depth: 11872 bytes left