[    1.794066] ip (258) used greatest stack depth: 12224 bytes left
[   47.065562] ip (2887) used greatest stack depth: 12176 bytes left
[   54.242563] netem: version 1.3
[  592.980565] tc (16940) used greatest stack depth: 11896 bytes left
[  650.686965] pm_nl_ctl (20241) used greatest stack depth: 11872 bytes left