[    1.840565] ip (266) used greatest stack depth: 12536 bytes left
[    1.918300] ip (276) used greatest stack depth: 12520 bytes left
[    2.078521] ip (294) used greatest stack depth: 12328 bytes left
[   46.920830] netem: version 1.3
[  484.086785] ip (11181) used greatest stack depth: 12296 bytes left
[  583.484847] tc (15684) used greatest stack depth: 11952 bytes left
[  641.241212] pm_nl_ctl (18830) used greatest stack depth: 11736 bytes left