[    1.717266] ip (254) used greatest stack depth: 12168 bytes left
[   53.618449] netem: version 1.3
[  139.344308] ip (4210) used greatest stack depth: 12120 bytes left
[  582.004660] tc (16941) used greatest stack depth: 11896 bytes left
[  642.157568] pm_nl_ctl (20241) used greatest stack depth: 11864 bytes left