[    1.557701] ip (255) used greatest stack depth: 12304 bytes left
[    1.876904] ip (295) used greatest stack depth: 12272 bytes left
[   47.015418] netem: version 1.3
[  104.263598] ip (3446) used greatest stack depth: 12240 bytes left
[  577.652089] tc (15679) used greatest stack depth: 11952 bytes left
[  634.540164] pm_nl_ctl (18823) used greatest stack depth: 11864 bytes left