[    2.054652] ip (278) used greatest stack depth: 12408 bytes left
[    2.139905] ip (287) used greatest stack depth: 12200 bytes left
[    2.229736] ip (296) used greatest stack depth: 12168 bytes left
[   73.852920] netem: version 1.3
[  606.374444] tc (20929) used greatest stack depth: 11864 bytes left
[  670.598170] pm_nl_ctl (24834) used greatest stack depth: 11848 bytes left