[    2.108107] ip (189) used greatest stack depth: 12296 bytes left
[    2.682533] ip (374) used greatest stack depth: 12096 bytes left
[   22.386470] ip (1839) used greatest stack depth: 12064 bytes left
[   49.943704] netem: version 1.3
[  554.121953] pm_nl_ctl (24828) used greatest stack depth: 11864 bytes left