[    1.864786] ip (257) used greatest stack depth: 12296 bytes left
[    3.399846] ip (409) used greatest stack depth: 12248 bytes left
[   50.841537] netem: version 1.3
[  531.519302] ip (14550) used greatest stack depth: 12232 bytes left
[  567.451095] tc (15679) used greatest stack depth: 11952 bytes left
[  626.032053] pm_nl_ctl (18827) used greatest stack depth: 11752 bytes left