}

	if policy.Tunnel != nil && policy.ProxyProtocol != nil {
		return WrapError(fmt.Errorf("tunnel and proxyProtocol must not be set together"))
	}

	return AppendValidation(validateOutlierDetection(policy.OutlierDetection),
		validateConnectionPool(policy.ConnectionPool),
		validateLoadBalancer(policy.LoadBalancer, policy.OutlierDetection),
		agent.ValidateTLS(policy.Tls),

		},
	}

	for _, c := range cases {
		got := validateOutlierDetection(c.in)
		if (got.Err == nil) != c.valid {
			t.Errorf("ValidateOutlierDetection failed on %v: got valid=%v but wanted valid=%v: %v",
				c.name, got.Err == nil, c.valid, got.Err)
		}
		if (got.Warning == nil) == c.warn {
			t.Errorf("ValidateOutlierDetection failed on %v: got warn=%v but wanted warn=%v: %v",