[    1.927932] ip (286) used greatest stack depth: 12248 bytes left
[    7.793952] ip (1038) used greatest stack depth: 12168 bytes left
[   47.195127] netem: version 1.3
[  551.446625] tc (15679) used greatest stack depth: 11952 bytes left
[  609.576862] pm_nl_ctl (18824) used greatest stack depth: 11864 bytes left