}
		ips = ips.Difference(devIps)
		if !ips.Equal(sets.New(tc.expectIPs...)) {
			t.Errorf("case[%d], unexpected mismatch, expected: %v, got: %v", i, tc.expectIPs, ips)
		}
	}
}

func TestNodePortIPv4(t *testing.T) {
	tests := []struct {
		name                   string
		services               []*v1.Service
		endpoints              []*discovery.EndpointSlice
		nodeIPs                []string