[   13.800187] ip (255) used greatest stack depth: 12392 bytes left
[   14.213125] ip (277) used greatest stack depth: 12344 bytes left
[   70.370555] netem: version 1.3
[  161.092515] ip (3604) used greatest stack depth: 12032 bytes left
[  609.760112] tc (13800) used greatest stack depth: 11936 bytes left
[  674.020778] pm_nl_ctl (16713) used greatest stack depth: 11816 bytes left