[    6.032095] ip (286) used greatest stack depth: 12200 bytes left
[   55.914436] netem: version 1.3
[   62.102642] ip (2989) used greatest stack depth: 12176 bytes left
[  559.436769] tc (15678) used greatest stack depth: 11912 bytes left
[  615.882431] pm_nl_ctl (18824) used greatest stack depth: 11864 bytes left