[    1.896125] ip (257) used greatest stack depth: 12296 bytes left
[    2.191930] ip (285) used greatest stack depth: 12248 bytes left
[   54.179571] netem: version 1.3
[  507.908950] ip (14137) used greatest stack depth: 12232 bytes left
[  561.867898] tc (15679) used greatest stack depth: 11952 bytes left
[  616.828655] pm_nl_ctl (18824) used greatest stack depth: 11872 bytes left