}
					}
					lastOnline = prev.lastOnline
					if result.Online {
						lastOnline = time.Now()
					}
					l := prev.latency
					l.update(time.Since(start))
					m[result.Endpoint.Host] = epHealth{
						Endpoint:        result.Endpoint.Host,
						Scheme:          result.Endpoint.Scheme,
						Online:          result.Online,
						lastOnline:      lastOnline,
						offlineDuration: offline,

				v2.Failed.ErrCounts = make(map[string]int)
			}

			// use target endpoint metrics from node which has been up the longest
			if v2.LastOnline.After(v.LastOnline) || v2.LastOnline.IsZero() {
				v2.Endpoint = v.Endpoint
				v2.LastOnline = v.LastOnline
				v2.Latency = v.Latency
				v2.Online = v.Online
				v2.TotalDowntime = v.TotalDowntime
				v2.DeploymentID = v.DeploymentID
			}

				VariableLabels: map[string]string{
					"endpoint": ep,
				},
			}
			currDowntime := time.Duration(0)
			if !health.Online && !health.lastOnline.IsZero() {
				currDowntime = UTCNow().Sub(health.lastOnline)
			}
			offlineDuration.Value = float64(currDowntime / time.Second)
			ml = append(ml, offlineDuration)

			downtimeDuration := MetricV2{