[    1.686814] ip (266) used greatest stack depth: 12408 bytes left
[    1.756401] ip (277) used greatest stack depth: 12392 bytes left
[    1.895676] ip (295) used greatest stack depth: 12216 bytes left
[   35.416083] ip (1870) used greatest stack depth: 12200 bytes left
[   50.611748] netem: version 1.3
[  108.307217] ip (3733) used greatest stack depth: 12120 bytes left
[  573.660268] tc (16941) used greatest stack depth: 11896 bytes left
[  632.613520] pm_nl_ctl (20241) used greatest stack depth: 11864 bytes left