[   45.639906] ip (256) used greatest stack depth: 12248 bytes left
[   94.661801] netem: version 1.3
[  545.103265] ip (12582) used greatest stack depth: 12200 bytes left
[  616.738846] tc (15682) used greatest stack depth: 11928 bytes left
[  674.583660] pm_nl_ctl (18827) used greatest stack depth: 11872 bytes left