[    1.956320] ip (293) used greatest stack depth: 12272 bytes left
[   48.047917] netem: version 1.3
[  501.887514] ip (12875) used greatest stack depth: 12240 bytes left
[  569.935800] tc (15680) used greatest stack depth: 11952 bytes left
[  628.896647] pm_nl_ctl (18824) used greatest stack depth: 11864 bytes left