[    2.061967] ip (257) used greatest stack depth: 12392 bytes left
[    2.552019] ip (289) used greatest stack depth: 12344 bytes left
[   58.895842] netem: version 1.3
[   76.009172] ip (3180) used greatest stack depth: 12192 bytes left
[  608.388789] tc (15594) used greatest stack depth: 11936 bytes left
[  672.062058] pm_nl_ctl (18731) used greatest stack depth: 11832 bytes left