[    1.401459] ip (216) used greatest stack depth: 12280 bytes left
[    1.464861] ip (229) used greatest stack depth: 11992 bytes left
[   51.154053] netem: version 1.3
[   59.953206] ip (4468) used greatest stack depth: 11976 bytes left
[  565.868471] pm_nl_ctl (24826) used greatest stack depth: 11784 bytes left