tproxy: getProxy(),
			in: &meshconfig.Tracing{
				CustomTags: map[string]*meshconfig.Tracing_CustomTag{
					"custom_tag_env": {
						Type: &meshconfig.Tracing_CustomTag_Environment{
							Environment: &meshconfig.Tracing_Environment{
								Name:         "custom_tag_env-var",
								DefaultValue: "custom-tag-env-default",
							},
						},
					},
					"custom_tag_request_header": {