Description:
data:

• default-eg listerner

Envoy server listener has some input restrictions. If the data rules are not followed, the data pushed by xds will not take effect。

• unique domain：If multiple httproutes of the same domain name are not checked, it will be triggered bug
• unique route cluster: If the same service exists for multiple rules of httproute，this restriction will be triggered bug。currently the cluster is named by rule index，however there are duplicate cluster data。If change the route naming rules, should pay attention to
• all route weight total > 0: if multiple backend service weights of an httproute rule all are 0，it will be triggered bug