[    1.786022] ip (254) used greatest stack depth: 12168 bytes left
[   50.978107] ip (3056) used greatest stack depth: 11944 bytes left
[   51.277990] netem: version 1.3
[  540.898573] tc (16940) used greatest stack depth: 11896 bytes left
[  597.938765] pm_nl_ctl (20241) used greatest stack depth: 11840 bytes left