[    1.603581] ip (254) used greatest stack depth: 12304 bytes left
[    1.936215] ip (295) used greatest stack depth: 12272 bytes left
[   50.867501] netem: version 1.3
[  135.247421] ip (3613) used greatest stack depth: 12240 bytes left
[  589.599286] tc (15679) used greatest stack depth: 11952 bytes left
[  647.026312] pm_nl_ctl (18824) used greatest stack depth: 11864 bytes left