[    1.582836] ip (253) used greatest stack depth: 12168 bytes left
[    2.737355] ip (394) used greatest stack depth: 12120 bytes left
[   49.086934] netem: version 1.3
[  565.082554] tc (16941) used greatest stack depth: 11896 bytes left
[  621.214094] pm_nl_ctl (20242) used greatest stack depth: 11864 bytes left