[    2.340792] ip (294) used greatest stack depth: 12248 bytes left
[    4.472834] ip (498) used greatest stack depth: 12232 bytes left
[   52.874400] netem: version 1.3
[  586.937658] tc (15678) used greatest stack depth: 11952 bytes left
[  646.851328] pm_nl_ctl (18823) used greatest stack depth: 11872 bytes left