[    5.678771] ip (1386) used greatest stack depth: 12040 bytes left
[   29.789896] ip (2575) used greatest stack depth: 11992 bytes left
[   51.103960] netem: version 1.3
[   59.283738] ip (4470) used greatest stack depth: 11976 bytes left
[   67.345730] ip (4666) used greatest stack depth: 11960 bytes left
[  550.710728] pm_nl_ctl (24826) used greatest stack depth: 11856 bytes left