[    3.147240] ip (390) used greatest stack depth: 12008 bytes left
[   17.788633] ip (1691) used greatest stack depth: 11960 bytes left
[   52.159354] netem: version 1.3
[   90.981577] ip (4855) used greatest stack depth: 11936 bytes left
[  570.132829] pm_nl_ctl (24826) used greatest stack depth: 11864 bytes left