[    1.885751] ip (285) used greatest stack depth: 12248 bytes left
[   46.305408] netem: version 1.3
[  531.001031] ip (14687) used greatest stack depth: 12232 bytes left
[  560.266073] tc (15679) used greatest stack depth: 11952 bytes left
[  617.832256] pm_nl_ctl (18822) used greatest stack depth: 11864 bytes left