[    3.820025] ip (565) used greatest stack depth: 12064 bytes left
[   17.970894] ip (1706) used greatest stack depth: 12040 bytes left
[   52.213674] netem: version 1.3
[   61.792757] ip (4465) used greatest stack depth: 12032 bytes left
[  560.166787] pm_nl_ctl (24665) used greatest stack depth: 11856 bytes left