[OVN] Add the 'uplink-status-propagation' extension to ML2/OVN

Closes-Bug: #2032770
Change-Id: I5f11b568bab4518617409b7c3a02c7222df80a92
(cherry picked from commit 0545f40)

Author: ralonsoh

neutron/common/ovn/extensions.py

@@ -73,6 +73,7 @@
 from neutron_lib.api.definitions import subnet_dns_publish_fixed_ip
 from neutron_lib.api.definitions import subnet_service_types
 from neutron_lib.api.definitions import trunk
+from neutron_lib.api.definitions import uplink_status_propagation
 from neutron_lib.api.definitions import vlantransparent
 from neutron_lib.api.definitions import vpn
 from neutron_lib.api.definitions import vpn_endpoint_groups
@@ -167,4 +168,5 @@
     bgp.ALIAS,
     bgp_4byte_asn.ALIAS,
     bgp_dragentscheduler.ALIAS,
+    uplink_status_propagation.ALIAS,
 ]

releasenotes/notes/ovn-add-extension-uplink-status-propagation-4c232954f8b4f0ef.yaml

@@ -0,0 +1,7 @@
+---
+other:
+  - |
+    Added the missing extension ``uplink-status-propagation`` to the ML2/OVN
+    mechanism driver. This extension is used by the ML2/SR-IOV mechanism
+    driver, that could be loaded with ML2/OVN. Now it is possible to create
+    ports with the "uplink-status-propagation" flag defined.