[    1.945006] iptables (239) used greatest stack depth: 12848 bytes left
[    2.114349] ip (254) used greatest stack depth: 12392 bytes left
[    2.649910] ip (285) used greatest stack depth: 12344 bytes left
[   56.967708] netem: version 1.3
[  113.866134] ip (2752) used greatest stack depth: 12304 bytes left
[  405.515837] ip (6568) used greatest stack depth: 12160 bytes left