[    1.876203] ip (252) used greatest stack depth: 12296 bytes left
[   53.051404] netem: version 1.3
[  125.198150] ip (3648) used greatest stack depth: 12104 bytes left
[  582.474399] tc (15678) used greatest stack depth: 11912 bytes left
[  640.224634] pm_nl_ctl (18824) used greatest stack depth: 11856 bytes left