[    2.261309] ip (293) used greatest stack depth: 12232 bytes left
[   42.781877] ip (2577) used greatest stack depth: 12088 bytes left
[   50.615533] netem: version 1.3
[  646.759614] tc (21296) used greatest stack depth: 11912 bytes left
[  704.487515] pm_nl_ctl (24437) used greatest stack depth: 11872 bytes left