golden:    filepath.Join(env.IstioSrc, "cni/pkg/plugin/testdata/custom-uid-tproxy.txt.golden"),
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			// TODO(bianpengyuan): How do we test ipv6 rules?
			getNs = generateMockGetNsFunc(testSandboxDirectory)
			tmpDir := t.TempDir()
			outputFilePath := filepath.Join(tmpDir, "output.txt")
			if _, err := os.Create(outputFilePath); err != nil {