[    1.985562] ip (294) used greatest stack depth: 12232 bytes left
[    4.140580] ip (533) used greatest stack depth: 12088 bytes left
[   50.521882] netem: version 1.3
[  618.365918] tc (21272) used greatest stack depth: 11952 bytes left
[  674.484098] pm_nl_ctl (24412) used greatest stack depth: 11560 bytes left