[    1.608342] ip (255) used greatest stack depth: 12296 bytes left
[    1.853318] ip (285) used greatest stack depth: 12248 bytes left
[   49.670926] netem: version 1.3
[  570.470611] tc (15679) used greatest stack depth: 11952 bytes left
[  627.453703] pm_nl_ctl (18823) used greatest stack depth: 11872 bytes left