[    1.695886] ip (254) used greatest stack depth: 12296 bytes left
[    2.021889] ip (294) used greatest stack depth: 12248 bytes left
[   50.178465] netem: version 1.3
[  515.300532] ip (13356) used greatest stack depth: 12232 bytes left
[  579.343779] tc (15681) used greatest stack depth: 11952 bytes left
[  637.179636] pm_nl_ctl (18827) used greatest stack depth: 11752 bytes left