[    1.745735] ip (255) used greatest stack depth: 12168 bytes left
[   53.814084] netem: version 1.3
[  506.658276] ip (12883) used greatest stack depth: 12120 bytes left
[  593.150602] tc (16942) used greatest stack depth: 11896 bytes left
[  659.325082] pm_nl_ctl (20242) used greatest stack depth: 11856 bytes left