[    2.488563] ip (287) used greatest stack depth: 12344 bytes left
[   59.312905] netem: version 1.3
[  452.062074] ip (10072) used greatest stack depth: 12288 bytes left
[  605.024147] tc (15594) used greatest stack depth: 11896 bytes left
[  672.183651] pm_nl_ctl (18732) used greatest stack depth: 11784 bytes left