[    1.414349] ip (254) used greatest stack depth: 12168 bytes left
[   50.875917] netem: version 1.3
[   72.386213] ip (3413) used greatest stack depth: 12088 bytes left
[  585.617582] tc (16941) used greatest stack depth: 11896 bytes left
[  645.751824] pm_nl_ctl (20241) used greatest stack depth: 11856 bytes left