[    1.901686] ip (256) used greatest stack depth: 12392 bytes left
[    2.216496] ip (278) used greatest stack depth: 12344 bytes left
[   53.940189] netem: version 1.3
[   64.393021] ip (2651) used greatest stack depth: 12288 bytes left
[   76.522396] ip (2803) used greatest stack depth: 12192 bytes left
[  619.804843] tc (13806) used greatest stack depth: 11936 bytes left
[  746.543189] pm_nl_ctl (16724) used greatest stack depth: 11792 bytes left