[    2.069315] ip (180) used greatest stack depth: 12352 bytes left
[    2.141080] ip (203) used greatest stack depth: 12320 bytes left
[   22.487080] ip (1817) used greatest stack depth: 12120 bytes left
[   50.247608] netem: version 1.3
[   67.864498] ip (4630) used greatest stack depth: 12096 bytes left
[  542.503205] pm_nl_ctl (24826) used greatest stack depth: 11944 bytes left