[    1.995164] ip (254) used greatest stack depth: 12224 bytes left
[    2.026178] ip (257) used greatest stack depth: 12176 bytes left
[   54.607205] netem: version 1.3
[  584.686088] tc (16523) used greatest stack depth: 11920 bytes left
[  642.628563] pm_nl_ctl (19771) used greatest stack depth: 11872 bytes left