[    1.738357] iptables (233) used greatest stack depth: 12840 bytes left
[    1.921186] ip (250) used greatest stack depth: 12400 bytes left
[    2.272301] ip (272) used greatest stack depth: 12368 bytes left
[    2.399095] ip (281) used greatest stack depth: 12352 bytes left
[   54.735119] netem: version 1.3
[  126.490008] ip (2877) used greatest stack depth: 12136 bytes left
[  376.667870] ip (5886) used greatest stack depth: 12072 bytes left