diff --git a/neutron/db/l3_hamode_db.py b/neutron/db/l3_hamode_db.py
index fbe57dc7ec1..6be57e4d8d9 100644
--- a/neutron/db/l3_hamode_db.py
+++ b/neutron/db/l3_hamode_db.py
@@ -14,6 +14,7 @@
 #
 
 import functools
+import random
 
 import netaddr
 from neutron_lib.api.definitions import port as port_def
@@ -103,6 +104,16 @@ class L3_HA_NAT_db_mixin(l3_dvr_db.L3_NAT_with_dvr_db_mixin,
         allocated_vr_ids = set(a.vr_id for a in vr_id_objs) - set([0])
         return allocated_vr_ids
 
+    def _get_vr_id(self, context, network_id):
+        allocated_vr_ids = self._get_allocated_vr_id(context,
+                                                     network_id)
+        available_vr_ids = VR_ID_RANGE - allocated_vr_ids
+
+        if not available_vr_ids:
+            return None
+
+        return random.choice(list(available_vr_ids))
+
     @db_api.retry_if_session_inactive()
     def _ensure_vr_id(self, context, router_db, ha_network):
         router_id = router_db.id
@@ -123,16 +134,12 @@ class L3_HA_NAT_db_mixin(l3_dvr_db.L3_NAT_with_dvr_db_mixin,
                              'ha_vr_id': router_db.extra_attributes.ha_vr_id})
                         return
 
-                    allocated_vr_ids = self._get_allocated_vr_id(context,
-                                                                 network_id)
-                    available_vr_ids = VR_ID_RANGE - allocated_vr_ids
-
-                    if not available_vr_ids:
+                    vr_id = self._get_vr_id(context, network_id)
+                    if vr_id is None:
                         raise l3ha_exc.NoVRIDAvailable(router_id=router_id)
 
                     allocation = l3_hamode.L3HARouterVRIdAllocation(
-                        context, network_id=network_id,
-                        vr_id=available_vr_ids.pop())
+                        context, network_id=network_id, vr_id=vr_id)
                     allocation.create()
 
                     router_db.extra_attributes.ha_vr_id = allocation.vr_id