
Automatic merge from submit-queue
Check endpoint subsets length before asserting addresses.
Fix #45824.
Panics were caused by [WaitForEndpointOnNode()](3227f44157/test/e2e/framework/service_util.go (L329)
). Check subsets length ahead to prevent panicing.
/assign @freehan
cc @wojtek-t
**Release note**:
```release-note
NONE
```