[    1.568852] ip (267) used greatest stack depth: 12520 bytes left
[    1.702961] ip (285) used greatest stack depth: 12376 bytes left
[    1.771269] ip (294) used greatest stack depth: 12248 bytes left
[   46.254950] netem: version 1.3
[  611.026795] tc (21412) used greatest stack depth: 11952 bytes left
[  669.660428] pm_nl_ctl (24554) used greatest stack depth: 11872 bytes left