[    1.745998] ip (254) used greatest stack depth: 12304 bytes left
[    2.054729] ip (286) used greatest stack depth: 12272 bytes left
[   49.546998] netem: version 1.3
[  508.841525] ip (14009) used greatest stack depth: 12240 bytes left
[  565.854821] tc (15678) used greatest stack depth: 11952 bytes left
[  623.560290] pm_nl_ctl (18824) used greatest stack depth: 11864 bytes left