[    2.044987] ip (286) used greatest stack depth: 12272 bytes left
[    6.652629] ip (883) used greatest stack depth: 12240 bytes left
[   46.395415] netem: version 1.3
[  542.655245] tc (15679) used greatest stack depth: 11952 bytes left
[  600.315254] pm_nl_ctl (18824) used greatest stack depth: 11864 bytes left