[    2.234664] ip (261) used greatest stack depth: 12432 bytes left
[    2.725977] ip (290) used greatest stack depth: 12384 bytes left
[   61.517329] netem: version 1.3
[  333.370568] ip (6204) used greatest stack depth: 12256 bytes left
[  631.240699] tc (15684) used greatest stack depth: 11936 bytes left
[  694.650114] pm_nl_ctl (18829) used greatest stack depth: 11848 bytes left