[    1.773196] ip (259) used greatest stack depth: 12168 bytes left
[   54.644996] netem: version 1.3
[  485.808473] ip (14087) used greatest stack depth: 12120 bytes left
[  550.244289] tc (16940) used greatest stack depth: 11928 bytes left
[  606.308717] pm_nl_ctl (20240) used greatest stack depth: 11800 bytes left