[   12.278497] ip (215) used greatest stack depth: 12720 bytes left
[   12.283936] sysctl (216) used greatest stack depth: 12400 bytes left
[   27.797973] ip (1707) used greatest stack depth: 12016 bytes left
[   62.365005] netem: version 1.3
[  559.708726] pm_nl_ctl (24865) used greatest stack depth: 11864 bytes left