[   12.330696] ip (220) used greatest stack depth: 12296 bytes left
[   12.417275] ip (247) used greatest stack depth: 12056 bytes left
[   27.920198] ip (1707) used greatest stack depth: 12048 bytes left
[   62.356219] netem: version 1.3
[  567.621724] pm_nl_ctl (24854) used greatest stack depth: 11864 bytes left