[    1.792972] ip (255) used greatest stack depth: 12392 bytes left
[    1.846165] ip (260) used greatest stack depth: 12152 bytes left
[   73.570742] netem: version 1.3
[  622.805786] tc (20920) used greatest stack depth: 11864 bytes left
[  686.962871] pm_nl_ctl (24827) used greatest stack depth: 11848 bytes left