[    1.727674] ip (256) used greatest stack depth: 12296 bytes left
[    3.308890] ip (417) used greatest stack depth: 12248 bytes left
[   50.661149] netem: version 1.3
[  570.199774] tc (15678) used greatest stack depth: 11952 bytes left
[  627.824891] pm_nl_ctl (18823) used greatest stack depth: 11832 bytes left