[    2.127725] ip (294) used greatest stack depth: 12248 bytes left
[   51.202826] netem: version 1.3
[  498.760763] ip (11683) used greatest stack depth: 12232 bytes left
[  579.777115] tc (15679) used greatest stack depth: 11952 bytes left
[  637.899459] pm_nl_ctl (18822) used greatest stack depth: 11872 bytes left