[    1.902481] ip (253) used greatest stack depth: 12280 bytes left
[    2.325828] ip (294) used greatest stack depth: 12232 bytes left
[   52.769319] netem: version 1.3
[  489.080173] ip (11722) used greatest stack depth: 12208 bytes left
[  630.831416] tc (21350) used greatest stack depth: 11952 bytes left
[  687.331124] pm_nl_ctl (24489) used greatest stack depth: 11872 bytes left