Fix inconsistent etcd read

staging/src/k8s.io/apiserver/pkg/storage/etcd3/store.go

@@ -769,6 +769,10 @@ func (s *store) List(ctx context.Context, key string, opts storage.ListOptions,
 		// indicate to the client which resource version was returned
 		if returnedRV == 0 {
 			returnedRV = getResp.Header.Revision
+			// if returnedRV was not set previously then WithRev option was not either, so set here in case
+			// hasMore is true and we do a subsequent Get.  If we don't set this the next Get may give
+			// back inconsistent data because we are Get-ing the latest data and not at a specific revision
+			options = append(options, clientv3.WithRev(returnedRV))
 		}
 
 		// no more results remain or we didn't request paging