[    2.461283] ip (223) used greatest stack depth: 12216 bytes left
[   51.958063] netem: version 1.3
[   65.996196] ip (4646) used greatest stack depth: 12024 bytes left
[   77.481085] ip (4837) used greatest stack depth: 11960 bytes left
[  104.078080] ip (5229) used greatest stack depth: 11936 bytes left
[  549.211529] pm_nl_ctl (25036) used greatest stack depth: 11784 bytes left