[    1.778054] ip (257) used greatest stack depth: 12296 bytes left
[    3.227513] ip (417) used greatest stack depth: 12248 bytes left
[   52.590702] netem: version 1.3
[  580.687154] tc (15681) used greatest stack depth: 11952 bytes left
[  639.080562] pm_nl_ctl (18825) used greatest stack depth: 11752 bytes left