// environments so we can't do much here.
			pathIPMap := make(map[string]set.StringSet)
			hostIPCache := make(map[string]set.StringSet)
			for _, endpoint := range endpoints {
				host := endpoint.Hostname()
				var hostIPSet set.StringSet
				if host != "" {
					var ok bool
					hostIPSet, ok = hostIPCache[host]
					if !ok {
						var err error
						hostIPSet, err = getHostIP(host)