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Bridged device MTU inheritance #6078
It has come to my attention that there is a feature in LXD bridged NIC devices that will inherit the MTU of the parent device if not overriden using the
However it has stopped working in LXD 3.16.
This issue existed in LXD 3.15 (and possibly earlier), but only during hot-plug, as LXD used liblxc's MTU inheritance feature for boot time setup.
However in LXD 3.16 the boot-time and hot-plug device setup code was unified and this bug is now present also during boot-time setup.