[    1.709658] ip (267) used greatest stack depth: 12408 bytes left
[    1.849387] ip (285) used greatest stack depth: 11976 bytes left
[   50.735853] netem: version 1.3
[  556.205138] tc (16939) used greatest stack depth: 11896 bytes left
[  613.145368] pm_nl_ctl (20239) used greatest stack depth: 11864 bytes left