[    1.549015] ip (258) used greatest stack depth: 12168 bytes left
[   48.516639] netem: version 1.3
[  507.790315] ip (13910) used greatest stack depth: 12120 bytes left
[  574.495298] tc (16942) used greatest stack depth: 11896 bytes left
[  691.872556] pm_nl_ctl (20244) used greatest stack depth: 11864 bytes left