[    1.708136] ip (254) used greatest stack depth: 12248 bytes left
[   47.585929] netem: version 1.3
[   79.542445] ip (3454) used greatest stack depth: 12200 bytes left
[  543.782662] tc (15682) used greatest stack depth: 11952 bytes left
[  603.260275] pm_nl_ctl (18827) used greatest stack depth: 11560 bytes left