[    1.729483] ip (295) used greatest stack depth: 12248 bytes left
[   49.415996] netem: version 1.3
[  362.886788] ip (7731) used greatest stack depth: 12232 bytes left
[  554.376135] tc (15681) used greatest stack depth: 11912 bytes left
[  616.453486] pm_nl_ctl (18824) used greatest stack depth: 11864 bytes left