[    2.292505] ip (287) used greatest stack depth: 12344 bytes left
[   24.879434] ip (1431) used greatest stack depth: 12064 bytes left
[   54.045266] netem: version 1.3
[  612.601019] tc (15595) used greatest stack depth: 11936 bytes left
[  682.091780] pm_nl_ctl (18732) used greatest stack depth: 11872 bytes left