[    1.458587] ip (222) used greatest stack depth: 12216 bytes left
[    1.495413] ip (230) used greatest stack depth: 11936 bytes left
[   51.241996] netem: version 1.3
[  503.871170] tc (21119) used greatest stack depth: 11864 bytes left
[  547.742869] pm_nl_ctl (24829) used greatest stack depth: 11856 bytes left