[    2.072341] ip (184) used greatest stack depth: 12200 bytes left
[   30.859291] ip (2740) used greatest stack depth: 12072 bytes left
[   51.349017] netem: version 1.3
[  105.446228] ip (5194) used greatest stack depth: 12056 bytes left
[  533.314126] pm_nl_ctl (24821) used greatest stack depth: 11936 bytes left