[    1.716535] ip (256) used greatest stack depth: 12248 bytes left
[   48.909455] netem: version 1.3
[  509.302527] ip (13363) used greatest stack depth: 12232 bytes left
[  572.500822] tc (15686) used greatest stack depth: 11952 bytes left
[  631.336205] pm_nl_ctl (18831) used greatest stack depth: 11872 bytes left