[    2.069341] ip (398) used greatest stack depth: 12008 bytes left
[   28.078977] ip (2095) used greatest stack depth: 11992 bytes left
[   51.193940] netem: version 1.3
[   57.198624] ip (4460) used greatest stack depth: 11960 bytes left
[  542.295610] pm_nl_ctl (24826) used greatest stack depth: 11856 bytes left