[    1.667826] ip (268) used greatest stack depth: 12552 bytes left
[    1.733180] ip (277) used greatest stack depth: 12456 bytes left
[    1.799303] ip (286) used greatest stack depth: 12392 bytes left
[    1.865137] ip (295) used greatest stack depth: 12248 bytes left
[    4.038951] ip (557) used greatest stack depth: 12216 bytes left
[   50.232271] netem: version 1.3
[   71.748352] ip (3405) used greatest stack depth: 11960 bytes left
[  583.745325] tc (16941) used greatest stack depth: 11928 bytes left
[  640.311191] pm_nl_ctl (20243) used greatest stack depth: 11880 bytes left