[   27.886349] ip (2093) used greatest stack depth: 12208 bytes left
[   50.818805] netem: version 1.3
[   78.883325] ip (4821) used greatest stack depth: 12168 bytes left
[   78.939342] ip (4838) used greatest stack depth: 11960 bytes left
[  546.981607] pm_nl_ctl (24830) used greatest stack depth: 11856 bytes left