When attempted to delete an Advanced Load Balancer (ALB) virtual IP address from the NSX UI the process shows that the deletion is in progress, but an an error that states:
"Oct 23, 3035, 5:35:12: I/O error on DELETE request for "https://#.#.#.#/api/vsvip/vsvip-########-####-####-####-#############": No route to host (Host unreachable): nested exception is java.net.NoRouteToHostException: No route to host (host unreachable)"
VMware NSX 3.2.0
Stale data remaining in the NSX UI.
Upgrade environment to 4.x to remove the stale entry.