[    1.760704] ip (274) used greatest stack depth: 12600 bytes left
[    1.786818] ip (277) used greatest stack depth: 11944 bytes left
[   50.978433] netem: version 1.3
[  578.375799] tc (16940) used greatest stack depth: 11896 bytes left
[  635.416800] pm_nl_ctl (20240) used greatest stack depth: 11784 bytes left