Revert method: Change availability zone back

Don't log the current LB's AZ, since that would be one additional DB
query, and the new AZ has already been logged by the execute method.

octavia_f5/api/drivers/f5_driver/tasks/reschedule_tasks.py

@@ -133,6 +133,8 @@ def revert(self, result, load_balancer: models.LoadBalancer, candidate: str, rem
             LOG.error("RewriteLoadBalancerEntry: Unable to update loadbalancer %s",
                       load_balancer.id)
             return
-        LOG.warning("RewriteLoadBalancerEntry: Reverting host change of loadbalancer %s from '%s' to '%s'",
-                    load_balancer.id, candidate, removal_host)
-        self._loadbalancer_repo.update(db_apis.get_session(), load_balancer.id, server_group_id=removal_host)
+
+        LOG.warning("RewriteLoadBalancerEntry: Reverting host change of loadbalancer %s: Changing host from '%s' to '%s' and availability zone back to '%s'.",
+                    load_balancer.id, candidate, removal_host, load_balancer.availability_zone)
+        self._loadbalancer_repo.update(db_apis.get_session(), load_balancer.id,
+                server_group_id=removal_host, availability_zone=load_balancer.availability_zone)