[    1.563025] ip (255) used greatest stack depth: 12248 bytes left
[   47.807573] netem: version 1.3
[  425.957688] ip (9713) used greatest stack depth: 12200 bytes left
[  573.703458] tc (15682) used greatest stack depth: 11912 bytes left
[  631.649812] pm_nl_ctl (18827) used greatest stack depth: 11872 bytes left