[    1.456620] ip (223) used greatest stack depth: 12216 bytes left
[   48.399157] ip (3434) used greatest stack depth: 11960 bytes left
[   51.607091] netem: version 1.3
[   61.247971] ip (4458) used greatest stack depth: 11936 bytes left
[  563.872447] pm_nl_ctl (24814) used greatest stack depth: 11784 bytes left