[    1.752184] ip (259) used greatest stack depth: 12168 bytes left
[    9.767608] ip (1221) used greatest stack depth: 12120 bytes left
[   51.700467] netem: version 1.3
[  556.821772] tc (16942) used greatest stack depth: 11896 bytes left
[  614.454919] pm_nl_ctl (20243) used greatest stack depth: 11856 bytes left