[    1.881799] ip (258) used greatest stack depth: 12392 bytes left
[    2.291864] ip (289) used greatest stack depth: 12344 bytes left
[   10.286764] ip (1030) used greatest stack depth: 12160 bytes left
[   56.367570] netem: version 1.3
[  696.066539] pm_nl_ctl (18730) used greatest stack depth: 11784 bytes left