[    1.986480] ip (286) used greatest stack depth: 12248 bytes left
[   36.496189] ip (1973) used greatest stack depth: 12232 bytes left
[   48.905270] netem: version 1.3
[  584.208908] tc (15679) used greatest stack depth: 11952 bytes left
[  642.597559] pm_nl_ctl (18822) used greatest stack depth: 11864 bytes left