[    1.798859] iptables (232) used greatest stack depth: 12880 bytes left
[    2.042478] ip (254) used greatest stack depth: 12368 bytes left
[    2.364724] ip (279) used greatest stack depth: 12320 bytes left
[   52.105692] netem: version 1.3
[   75.057354] ip (2360) used greatest stack depth: 12272 bytes left
[  515.541213] ip (8928) used greatest stack depth: 12160 bytes left