[    1.943223] ip (255) used greatest stack depth: 12296 bytes left
[    2.325036] ip (293) used greatest stack depth: 12248 bytes left
[   53.559380] netem: version 1.3
[  566.704079] tc (15678) used greatest stack depth: 11952 bytes left
[  623.121084] pm_nl_ctl (18824) used greatest stack depth: 11872 bytes left