 top-level traffic policies are defined in multiple destination rules, the first one processed will be used.
Any following top-level <code>trafficPolicy</code> configuration is discarded.</li><li>Unlike virtual service merging, destination rule merging works in both sidecars and gateways.</li></ol><h2 id=avoid-503-errors-while-reconfiguring-service-routes>Avoid 503 errors while reconfiguring service routes</h2><p>When setting route rules to direct traffic to specific versions (subsets) of a service, care mu