[   23.513609] ip (1411) used greatest stack depth: 12216 bytes left
[   53.317375] netem: version 1.3
[  585.791617] tc (15678) used greatest stack depth: 11952 bytes left
[  642.428924] pm_nl_ctl (18823) used greatest stack depth: 11856 bytes left
[  660.544304] kworker/3:2 (708) used greatest stack depth: 11768 bytes left