[    2.598820] ip (240) used greatest stack depth: 12184 bytes left
[    2.621858] ip (249) used greatest stack depth: 12008 bytes left
[   52.115654] netem: version 1.3
[   61.704965] ip (4487) used greatest stack depth: 11960 bytes left
[  567.417056] pm_nl_ctl (25036) used greatest stack depth: 11864 bytes left