old_contents: #
  #    Licensed under the Apache License, Version 2.0 (the "License"); you may
  #    not use this file except in compliance with the License. You may obtain
  #    a copy of the License at
  #
  #         http://www.apache.org/licenses/LICENSE-2.0
  #
  #    Unless required by applicable law or agreed to in writing, software
  #    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  #    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  #    License for the specific language governing permissions and limitations
  #    under the License.
  
  # NOTE(russellb) This remains in its own file (vs constants.py) because we want
  # to be able to easily import it and export the info without any dependencies
  # on external imports.
  
  # NOTE(russellb) If you update these lists, please also update
  # doc/source/features.rst and the current release note.
  ML2_SUPPORTED_API_EXTENSIONS_OVN_L3 = [
      'router',
      'extraroute',
      'ext-gw-mode',
      'fip-port-details',
      'pagination',
      'sorting',
      'project-id',
      'dns-integration',
  ]
  ML2_SUPPORTED_API_EXTENSIONS = [
      'address-scope',
      'agent',
      'allowed-address-pairs',
      'auto-allocated-topology',
      'availability_zone',
      'binding',
      'default-subnetpools',
      'external-net',
      'extra_dhcp_opt',
      'multi-provider',
      'net-mtu',
      'network_availability_zone',
      'network-ip-availability',
      'port-security',
      'provider',
      'quotas',
      'rbac-policies',
      'standard-attr-revisions',
      'security-group',
      'standard-attr-description',
      'subnet_allocation',
      'standard-attr-tag',
      'standard-attr-timestamp',
      'trunk',
      'quota_details',
  ]
  
new_contents: #
  #    Licensed under the Apache License, Version 2.0 (the "License"); you may
  #    not use this file except in compliance with the License. You may obtain
  #    a copy of the License at
  #
  #         http://www.apache.org/licenses/LICENSE-2.0
  #
  #    Unless required by applicable law or agreed to in writing, software
  #    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  #    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  #    License for the specific language governing permissions and limitations
  #    under the License.
  
  # NOTE(russellb) This remains in its own file (vs constants.py) because we want
  # to be able to easily import it and export the info without any dependencies
  # on external imports.
  
  # NOTE(russellb) If you update these lists, please also update
  # doc/source/features.rst and the current release note.
  ML2_SUPPORTED_API_EXTENSIONS_OVN_L3 = [
      'router',
      'extraroute',
      'ext-gw-mode',
      'fip-port-details',
      'pagination',
      'sorting',
      'project-id',
      'dns-integration',
  ]
  ML2_SUPPORTED_API_EXTENSIONS = [
      'address-scope',
      'agent',
      'allowed-address-pairs',
      'auto-allocated-topology',
      'availability_zone',
      'binding',
      'default-subnetpools',
      'external-net',
      'extra_dhcp_opt',
      'multi-provider',
      'net-mtu',
      'network_availability_zone',
      'network-ip-availability',
      'port-security',
      'provider',
      'quotas',
      'rbac-address-scope',
      'rbac-policies',
      'standard-attr-revisions',
      'security-group',
      'standard-attr-description',
      'subnet_allocation',
      'standard-attr-tag',
      'standard-attr-timestamp',
      'trunk',
      'quota_details',
  ]
  
subject: Add "rbac-address-scope" to OVN supported extensions