[   34.210853] ip (295) used greatest stack depth: 12200 bytes left
[   83.429086] netem: version 1.3
[  556.571132] ip (14274) used greatest stack depth: 12184 bytes left
[  605.049799] tc (15678) used greatest stack depth: 11952 bytes left
[  663.773438] pm_nl_ctl (18824) used greatest stack depth: 11864 bytes left