[    2.022975] ip (295) used greatest stack depth: 12248 bytes left
[   35.533740] ip (1839) used greatest stack depth: 12232 bytes left
[   49.970636] netem: version 1.3
[  581.775911] tc (15681) used greatest stack depth: 11952 bytes left
[  640.120547] pm_nl_ctl (18827) used greatest stack depth: 11872 bytes left