[    1.738893] ip (255) used greatest stack depth: 12296 bytes left
[   49.181489] netem: version 1.3
[  376.389235] ip (8761) used greatest stack depth: 12232 bytes left
[  560.690800] tc (15677) used greatest stack depth: 11952 bytes left
[  619.947364] pm_nl_ctl (18821) used greatest stack depth: 11856 bytes left