[    1.890283] ip (254) used greatest stack depth: 12392 bytes left
[    2.190379] ip (276) used greatest stack depth: 12344 bytes left
[   55.481209] netem: version 1.3
[  129.034365] ip (3352) used greatest stack depth: 12032 bytes left
[  666.604223] pm_nl_ctl (16721) used greatest stack depth: 11784 bytes left