[    2.275781] ip (295) used greatest stack depth: 12104 bytes left
[   22.597128] ip (1428) used greatest stack depth: 12080 bytes left
[   51.410557] netem: version 1.3
[  566.458042] tc (15679) used greatest stack depth: 11952 bytes left
[  624.875265] pm_nl_ctl (18822) used greatest stack depth: 11856 bytes left