[    1.525580] ip (254) used greatest stack depth: 12168 bytes left
[   49.207682] netem: version 1.3
[  440.045420] ip (11826) used greatest stack depth: 12120 bytes left
[  541.158231] tc (16942) used greatest stack depth: 11896 bytes left
[  599.276582] pm_nl_ctl (20243) used greatest stack depth: 11784 bytes left