[    1.742211] ip (252) used greatest stack depth: 12248 bytes left
[   52.294002] netem: version 1.3
[  424.629786] ip (9549) used greatest stack depth: 12200 bytes left
[  576.454262] tc (15674) used greatest stack depth: 11952 bytes left
[  635.117820] pm_nl_ctl (18818) used greatest stack depth: 11856 bytes left