[    1.950909] ip (266) used greatest stack depth: 12504 bytes left
[    2.201707] ip (293) used greatest stack depth: 12392 bytes left
[    3.312672] ip (406) used greatest stack depth: 12248 bytes left
[   51.474033] netem: version 1.3
[  565.440364] tc (15677) used greatest stack depth: 11952 bytes left
[  621.419301] pm_nl_ctl (18823) used greatest stack depth: 11752 bytes left