[    1.671796] ip (255) used greatest stack depth: 12248 bytes left
[   50.582998] netem: version 1.3
[  515.919787] ip (12901) used greatest stack depth: 12152 bytes left
[  583.466974] tc (15681) used greatest stack depth: 11928 bytes left
[  639.899099] pm_nl_ctl (18825) used greatest stack depth: 11856 bytes left