[   37.126153] ip (2281) used greatest stack depth: 12120 bytes left
[   48.614231] netem: version 1.3
[  123.515893] ip (3913) used greatest stack depth: 11944 bytes left
[  564.551014] tc (16941) used greatest stack depth: 11896 bytes left
[  620.929203] pm_nl_ctl (20242) used greatest stack depth: 11848 bytes left