[    1.440206] ip (258) used greatest stack depth: 12296 bytes left
[    1.733050] ip (295) used greatest stack depth: 12248 bytes left
[   51.110612] netem: version 1.3
[  616.556187] tc (20836) used greatest stack depth: 11952 bytes left
[  674.566942] pm_nl_ctl (23978) used greatest stack depth: 11872 bytes left