[    1.824145] ip (286) used greatest stack depth: 12248 bytes left
[   47.577926] netem: version 1.3
[  507.462246] ip (13484) used greatest stack depth: 12232 bytes left
[  631.394190] tc (21147) used greatest stack depth: 11912 bytes left
[  689.820436] pm_nl_ctl (24287) used greatest stack depth: 11872 bytes left