[    1.974929] ip (267) used greatest stack depth: 12520 bytes left
[    2.221456] ip (295) used greatest stack depth: 12248 bytes left
[   23.030540] ip (1393) used greatest stack depth: 12232 bytes left
[   53.518675] netem: version 1.3
[  592.450965] tc (15678) used greatest stack depth: 11952 bytes left
[  648.926787] pm_nl_ctl (18822) used greatest stack depth: 11872 bytes left