[    1.971516] ip (255) used greatest stack depth: 12392 bytes left
[    2.300452] ip (280) used greatest stack depth: 12360 bytes left
[    2.400660] ip (289) used greatest stack depth: 12352 bytes left
[    4.776323] ip (473) used greatest stack depth: 12344 bytes left
[   23.189644] ip (1110) used greatest stack depth: 12200 bytes left
[   53.365546] netem: version 1.3
[  116.056415] ip (2732) used greatest stack depth: 12072 bytes left
[  586.468044] tc (11911) used greatest stack depth: 11936 bytes left