[    1.795630] iptables (233) used greatest stack depth: 12832 bytes left
[    1.994051] ip (250) used greatest stack depth: 12368 bytes left
[    2.374399] ip (271) used greatest stack depth: 12320 bytes left
[   46.517309] ip (1788) used greatest stack depth: 12160 bytes left
[   56.753389] netem: version 1.3
[  135.559042] ip (2734) used greatest stack depth: 12048 bytes left
[  537.888415] ip (10023) used greatest stack depth: 12000 bytes left