Thanks for responding. Since you have MAAS installed on these three infra nodes (if I am following you correctly), there shouldn't be any issues since that makes these nodes controllers in MAAS. The only way I see this bug showing up is if you installed MAAS on this node, created the KVM host/pod, and then subsequently created the bridges without restarting the MAAS services so that MAAS did not know that it actually had a bridged interface.
Thanks for responding. Since you have MAAS installed on these three infra nodes (if I am following you correctly), there shouldn't be any issues since that makes these nodes controllers in MAAS. The only way I see this bug showing up is if you installed MAAS on this node, created the KVM host/pod, and then subsequently created the bridges without restarting the MAAS services so that MAAS did not know that it actually had a bridged interface.