[    1.956149] ip (258) used greatest stack depth: 12392 bytes left
[    2.367449] ip (287) used greatest stack depth: 12344 bytes left
[    9.268422] ip (826) used greatest stack depth: 12192 bytes left
[   57.340227] netem: version 1.3
[  601.255399] tc (13809) used greatest stack depth: 11936 bytes left
[  668.152422] pm_nl_ctl (16724) used greatest stack depth: 11792 bytes left