[    1.642940] ip (255) used greatest stack depth: 12280 bytes left
[    2.060698] ip (295) used greatest stack depth: 12232 bytes left
[   51.318240] netem: version 1.3
[  631.615559] tc (21384) used greatest stack depth: 11952 bytes left
[  687.938346] pm_nl_ctl (24525) used greatest stack depth: 11872 bytes left