Automatic merge from submit-queue
Validate if service has duplicate port
**What this PR does / why we need it**:
Validate if a service has duplicate Spec.Ports.Port (same number with same protocol)
xref #47221
fixes this part:
>It is possible to express a Service with multiple ports blocks with the same number. This is not very useful and may cause trouble for implementations of Services.
**Special notes for your reviewer**:
/cc @thockin @liggitt @mengqiy
@kubernetes/sig-network-pr-reviews
**Release note**:
```release-note
NONE
```
7be37ef6ab