[    1.868448] ip (286) used greatest stack depth: 12272 bytes left
[   51.023223] netem: version 1.3
[  561.252723] ip (15140) used greatest stack depth: 12240 bytes left
[  571.042361] tc (15682) used greatest stack depth: 11952 bytes left
[  627.082709] pm_nl_ctl (18827) used greatest stack depth: 11864 bytes left