[    1.935348] ip (285) used greatest stack depth: 12248 bytes left
[   47.637224] netem: version 1.3
[   96.340607] ip (3761) used greatest stack depth: 12232 bytes left
[  536.223053] tc (15678) used greatest stack depth: 11952 bytes left
[  593.530528] pm_nl_ctl (18821) used greatest stack depth: 11864 bytes left