[    2.114674] ip (182) used greatest stack depth: 12296 bytes left
[    2.153428] ip (195) used greatest stack depth: 12072 bytes left
[   36.102013] ip (3048) used greatest stack depth: 12056 bytes left
[   50.002294] netem: version 1.3
[  523.265695] pm_nl_ctl (24830) used greatest stack depth: 11864 bytes left