t.Fatalf("expected %d listeners, found %d", 1, len(listeners))
				}
				var chains []string
				for _, fc := range listeners[0].FilterChains {
					for _, cidr := range fc.FilterChainMatch.PrefixRanges {
						chains = append(chains, cidr.AddressPrefix)
					}
				}
				// There should not be multiple filter chains with same CIDR match
				if !reflect.DeepEqual(chains, tt.expectedChains) {