[    1.939457] ip (295) used greatest stack depth: 12248 bytes left
[   47.629802] netem: version 1.3
[  494.605537] ip (13882) used greatest stack depth: 12232 bytes left
[  552.349160] tc (15679) used greatest stack depth: 11912 bytes left
[  609.621086] pm_nl_ctl (18823) used greatest stack depth: 11872 bytes left