[    1.799880] ip (255) used greatest stack depth: 12296 bytes left
[    2.211043] ip (296) used greatest stack depth: 12248 bytes left
[    2.875437] ip (374) used greatest stack depth: 12232 bytes left
[   50.544460] netem: version 1.3
[  582.620601] tc (15680) used greatest stack depth: 11952 bytes left
[  639.900354] pm_nl_ctl (18823) used greatest stack depth: 11872 bytes left