[    1.663590] ip (255) used greatest stack depth: 12224 bytes left
[   49.639416] netem: version 1.3
[  531.312081] ip (15073) used greatest stack depth: 12008 bytes left
[  580.382237] tc (16521) used greatest stack depth: 11928 bytes left
[  639.319076] pm_nl_ctl (19769) used greatest stack depth: 11800 bytes left