[    1.856955] ip (267) used greatest stack depth: 12560 bytes left
[    2.016435] ip (286) used greatest stack depth: 12392 bytes left
[    2.090747] ip (295) used greatest stack depth: 12248 bytes left
[    8.369032] ip (1037) used greatest stack depth: 12104 bytes left
[   51.751997] netem: version 1.3
[  572.252669] tc (15679) used greatest stack depth: 11952 bytes left
[  630.001788] pm_nl_ctl (18824) used greatest stack depth: 11872 bytes left