[    2.126929] ip (256) used greatest stack depth: 12264 bytes left
[    5.473081] ip (657) used greatest stack depth: 12048 bytes left
[   49.423843] netem: version 1.3
[  550.314902] tc (15679) used greatest stack depth: 11912 bytes left
[  608.827277] pm_nl_ctl (18825) used greatest stack depth: 11856 bytes left