Added a validation webhook to metallb-operator to avoid duplicate IP addresses in AddressPools. In case of a duplicate IP range when applying an AddressPools, the request will be denied with an error message. https://github.com/metallb/metallb-operator/pull/88
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory (Moderate: OpenShift Container Platform 4.10.3 security update), and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHSA-2022:0056