Merge pull request #68353 from wgliang/fixbug/handle-close-not-check-err

fix bug not check error before defer conn.Close()

test/images/netexec/VERSION

@@ -1 +1 @@
-1.0
+1.1

test/images/netexec/netexec.go

@@ -357,6 +357,7 @@ func startUDPServer(udpPort int) {
 	serverAddress, err := net.ResolveUDPAddr("udp", fmt.Sprintf(":%d", udpPort))
 	assertNoError(err)
 	serverConn, err := net.ListenUDP("udp", serverAddress)
+	assertNoError(err)
 	defer serverConn.Close()
 	buf := make([]byte, 1024)
 

test/images/netexec/pod.yaml

@@ -7,7 +7,7 @@ metadata:
 spec:
   containers:
   - name: netexec
-    image: gcr.io/kubernetes-e2e-test-images/netexec-amd64:1.0
+    image: gcr.io/kubernetes-e2e-test-images/netexec-amd64:1.1
     ports:
     - containerPort: 8080
       protocol: TCP

test/utils/image/manifest.go

@@ -105,7 +105,7 @@ var (
 	MounttestUser            = ImageConfig{e2eRegistry, "mounttest-user", "1.0"}
 	Nautilus                 = ImageConfig{e2eRegistry, "nautilus", "1.0"}
 	Net                      = ImageConfig{e2eRegistry, "net", "1.0"}
-	Netexec                  = ImageConfig{e2eRegistry, "netexec", "1.0"}
+	Netexec                  = ImageConfig{e2eRegistry, "netexec", "1.1"}
 	Nettest                  = ImageConfig{e2eRegistry, "nettest", "1.0"}
 	Nginx                    = ImageConfig{dockerLibraryRegistry, "nginx", "1.14-alpine"}
 	NginxNew                 = ImageConfig{dockerLibraryRegistry, "nginx", "1.15-alpine"}