[    1.539184] ip (254) used greatest stack depth: 12280 bytes left
[    1.898872] ip (295) used greatest stack depth: 12232 bytes left
[   49.954273] netem: version 1.3
[  508.275228] ip (12185) used greatest stack depth: 12216 bytes left
[  641.999805] tc (21367) used greatest stack depth: 11952 bytes left
[  759.355827] pm_nl_ctl (24514) used greatest stack depth: 11736 bytes left