[    1.773705] ip (294) used greatest stack depth: 12248 bytes left
[   47.615387] netem: version 1.3
[  431.035844] ip (9706) used greatest stack depth: 12232 bytes left
[  580.121848] tc (15680) used greatest stack depth: 11952 bytes left
[  638.757224] pm_nl_ctl (18822) used greatest stack depth: 11872 bytes left