[    2.072597] ip (276) used greatest stack depth: 11944 bytes left
[   41.816977] ip (2969) used greatest stack depth: 11912 bytes left
[   75.174263] netem: version 1.3
[  610.412789] tc (24872) used greatest stack depth: 11864 bytes left
[  674.886109] pm_nl_ctl (29000) used greatest stack depth: 11800 bytes left