[    1.723070] ip (257) used greatest stack depth: 12248 bytes left
[   51.591643] netem: version 1.3
[  426.653719] ip (9712) used greatest stack depth: 12184 bytes left
[  569.477919] tc (15682) used greatest stack depth: 11952 bytes left
[  628.458815] pm_nl_ctl (18826) used greatest stack depth: 11720 bytes left