[    1.573096] ip (253) used greatest stack depth: 12152 bytes left
[   80.773148] netem: version 1.3
[  159.766239] ip (6734) used greatest stack depth: 12120 bytes left
[  556.015602] ip (18857) used greatest stack depth: 12088 bytes left
[  671.755266] tc (26285) used greatest stack depth: 11864 bytes left
[  739.963410] pm_nl_ctl (30553) used greatest stack depth: 11856 bytes left