[    1.389410] ip (253) used greatest stack depth: 12296 bytes left
[    1.701649] ip (293) used greatest stack depth: 12248 bytes left
[   46.152799] netem: version 1.3
[  575.544878] tc (15679) used greatest stack depth: 11952 bytes left
[  633.034255] pm_nl_ctl (18825) used greatest stack depth: 11752 bytes left