[    2.149231] ip (295) used greatest stack depth: 12248 bytes left
[   52.041900] netem: version 1.3
[  519.046657] ip (13198) used greatest stack depth: 12232 bytes left
[  644.019336] tc (20817) used greatest stack depth: 11952 bytes left
[  699.641879] pm_nl_ctl (23957) used greatest stack depth: 11872 bytes left