[    2.089062] ip (260) used greatest stack depth: 12432 bytes left
[    2.447345] ip (283) used greatest stack depth: 12384 bytes left
[   43.708710] ip (2008) used greatest stack depth: 12256 bytes left
[   61.065966] netem: version 1.3
[  613.564446] tc (15686) used greatest stack depth: 11896 bytes left
[  689.725677] kworker/1:2 (68) used greatest stack depth: 11808 bytes left