[    1.401923] ip (217) used greatest stack depth: 12216 bytes left
[   17.388103] ip (1718) used greatest stack depth: 11992 bytes left
[   52.742414] netem: version 1.3
[  120.056326] ip (5221) used greatest stack depth: 11968 bytes left
[  564.889872] pm_nl_ctl (24829) used greatest stack depth: 11784 bytes left