[    2.130225] ip (188) used greatest stack depth: 12296 bytes left
[    2.156275] ip (196) used greatest stack depth: 12096 bytes left
[   50.016956] netem: version 1.3
[   59.257599] ip (4457) used greatest stack depth: 12064 bytes left
[  548.942740] pm_nl_ctl (24838) used greatest stack depth: 11864 bytes left