[    1.497985] ip (260) used greatest stack depth: 12152 bytes left
[   73.384858] netem: version 1.3
[  109.885377] ip (6261) used greatest stack depth: 12136 bytes left
[  595.313626] tc (24872) used greatest stack depth: 11864 bytes left
[  656.036883] pm_nl_ctl (29001) used greatest stack depth: 11856 bytes left