[    1.984202] ip (286) used greatest stack depth: 12248 bytes left
[   34.801453] ip (1867) used greatest stack depth: 11976 bytes left
[   49.123901] netem: version 1.3
[  577.134386] tc (15678) used greatest stack depth: 11952 bytes left
[  634.263273] pm_nl_ctl (18824) used greatest stack depth: 11872 bytes left