add github issue

Author: ericpaulsen

setup/installation.md

@@ -170,9 +170,11 @@ At this point, you're ready to proceed to [configuring Coder](configuration.md).
 ## EKS Troubleshooting
 
 If you're unable to access your Coder deployment via the external IP generated
-by EKS, this is likely due to Load Balancer health checks failing. To resolve
-this issue, set the `externalTrafficPolicy` helm value to `Cluster` by running
-the following command:
+by EKS, this is likely due to Load Balancer health checks failing. See the
+related [GitHub
+issue](https://github.com/kubernetes/kubernetes/issues/80897#issuecomment-567911824).
+To resolve this issue, set the `externalTrafficPolicy` Helm value to `Cluster`
+by running the following command:
 
 ```console
 helm upgrade --install coder coder/coder --set coderd.serviceSpec.externalTrafficPolicy=Cluster