[    3.323159] ip (739) used greatest stack depth: 12136 bytes left
[   51.242793] netem: version 1.3
[   57.436990] ip (4486) used greatest stack depth: 12040 bytes left
[   65.458586] ip (4655) used greatest stack depth: 11960 bytes left
[   76.183545] ip (4846) used greatest stack depth: 11936 bytes left
[  543.235105] pm_nl_ctl (24829) used greatest stack depth: 11856 bytes left