[    1.910836] ip (256) used greatest stack depth: 12304 bytes left
[    2.299865] ip (294) used greatest stack depth: 12272 bytes left
[   52.717130] netem: version 1.3
[  578.751942] tc (15680) used greatest stack depth: 11936 bytes left
[  635.647838] pm_nl_ctl (18825) used greatest stack depth: 11880 bytes left