[    1.711125] ip (253) used greatest stack depth: 12536 bytes left
[    1.921554] ip (275) used greatest stack depth: 12504 bytes left
[    1.946278] ip (278) used greatest stack depth: 12440 bytes left
[    2.070728] ip (293) used greatest stack depth: 12360 bytes left
[    3.807915] ip (499) used greatest stack depth: 12296 bytes left
[   49.110668] netem: version 1.3
[  104.972889] ip (3650) used greatest stack depth: 12120 bytes left
[  560.706790] tc (15679) used greatest stack depth: 11952 bytes left
[  620.231590] pm_nl_ctl (18822) used greatest stack depth: 11856 bytes left