/td><td>EnableFallthroughRoute provides an option to add a final wildcard match for routes. When ALLOW_ANY traffic policy is used, a Passthrough cluster is used. When REGISTRY_ONLY traffic policy is used, a 502 error is returned.</td></tr><tr><td><code>PILOT_ENABLE_HEADLESS_SERVICE_POD_LISTENERS</code></td><td>Boolean</td><td><code>true</code></td><td>If enabled, for a headless service/stateful set in Kubernetes, pilot will generate an outbound listener for each pod in a headless service. This feature shoul