[    1.634039] ip (254) used greatest stack depth: 12264 bytes left
[   48.531500] netem: version 1.3
[  108.431911] ip (3651) used greatest stack depth: 12072 bytes left
[  564.992475] tc (15679) used greatest stack depth: 11952 bytes left
[  623.814185] pm_nl_ctl (18824) used greatest stack depth: 11848 bytes left