TC/Traffic Control does not always work

[RalfJung]

TC/Traffic Control does not always work

[RalfJung]

https://lartc.vger.kernel.narkive.com/E9X2YxQD/warnings-with-and-without-r2q explains what that "quantum" and "r2q" value is about. Looks like when we are adding the TC class via

class add dev %s parent 1: classid 1:1 htb rate %dkbit ceil %dkbit

we could add a quantum X to set this "quantum" value. However it also says that

Quantum is used when 2 classes are getting more bandwidth then the rate.
So it's only important for sharing the remaining bandwidth. In that case, each
class may send quantum bytes.

so I doubt this value is relevant for us, since we never have more than 1 class on a device.