[    2.251324] ip (283) used greatest stack depth: 12352 bytes left
[   43.760549] ip (1888) used greatest stack depth: 12296 bytes left
[   54.161531] netem: version 1.3
[   76.035977] ip (2491) used greatest stack depth: 12200 bytes left
[  614.427019] tc (12608) used greatest stack depth: 11936 bytes left