 of any given subset across multiple destination rules for the same host.
If there is more than one with the same name, the first definition is used and any following duplicates are discarded.
No merging of subset content is supported.</li><li>There should only be one top-level <code>trafficPolicy</code> for the same host.
When 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 discar