[    2.380122] ip (283) used greatest stack depth: 12248 bytes left
[   39.915860] ip (1874) used greatest stack depth: 11976 bytes left
[   56.475566] netem: version 1.3
[  622.443276] tc (15683) used greatest stack depth: 11936 bytes left
[  688.078722] pm_nl_ctl (18825) used greatest stack depth: 11624 bytes left