[Release-1.23] Update etcd error to match correct url (#5949)

.github/workflows/cgroup.yaml

@@ -37,7 +37,7 @@ jobs:
     name: "Conformance Test"
     needs: prep
     # nested virtualization is only available on macOS hosts
-    runs-on: macos-10.15
+    runs-on: macos-12
     timeout-minutes: 40
     strategy:
       fail-fast: false

.github/workflows/install.yaml

@@ -15,7 +15,7 @@ on:
 jobs:
   test:
     name: "Smoke Test"
-    runs-on: macos-10.15
+    runs-on: macos-12
     timeout-minutes: 40
     strategy:
       fail-fast: false

.github/workflows/snapshotter.yaml

@@ -37,7 +37,7 @@ jobs:
     name: "Smoke Test"
     needs: prep
     # nested virtualization is only available on macOS hosts
-    runs-on: macos-10.15
+    runs-on: macos-12
     timeout-minutes: 40
     strategy:
       fail-fast: false

pkg/etcd/etcd.go

@@ -224,7 +224,7 @@ func (e *ETCD) Test(ctx context.Context) error {
 			memberNameUrls = append(memberNameUrls, member.Name+"="+member.PeerURLs[0])
 		}
 	}
-	return &MembershipError{Members: memberNameUrls, Self: e.name + "=" + e.address}
+	return &MembershipError{Members: memberNameUrls, Self: e.name + "=" + e.peerURL()}
 }
 
 // DBDir returns the path to dataDir/db/etcd