[    2.072521] ip (388) used greatest stack depth: 12120 bytes left
[   17.236473] ip (1691) used greatest stack depth: 11896 bytes left
[   52.511321] netem: version 1.3
[  126.911582] ip (5210) used greatest stack depth: 11872 bytes left
[  571.761005] pm_nl_ctl (24825) used greatest stack depth: 11856 bytes left