[    2.312628] ip (294) used greatest stack depth: 12248 bytes left
[    3.020401] ip (372) used greatest stack depth: 12232 bytes left
[   48.978564] netem: version 1.3
[  647.440257] tc (21273) used greatest stack depth: 11912 bytes left
[  705.295635] pm_nl_ctl (24413) used greatest stack depth: 11872 bytes left