[    1.422288] ip (222) used greatest stack depth: 12216 bytes left
[    4.020292] ip (882) used greatest stack depth: 11976 bytes left
[   52.182092] netem: version 1.3
[   92.395276] ip (4856) used greatest stack depth: 11952 bytes left
[  578.023160] pm_nl_ctl (24829) used greatest stack depth: 11856 bytes left