[   42.539153] ip (3279) used greatest stack depth: 12208 bytes left
[   51.379341] netem: version 1.3
[   61.278401] ip (4477) used greatest stack depth: 12008 bytes left
[   89.492174] ip (4846) used greatest stack depth: 11936 bytes left
[  566.980860] pm_nl_ctl (24831) used greatest stack depth: 11784 bytes left