kube-ovn-cni: fix pinger result when timeout is reached (#3457)

Signed-off-by: zhangzujian <[email protected]>

pkg/daemon/ovs.go

@@ -32,6 +32,11 @@ func pingGateway(gw, src string, verbose bool, maxRetry int) error {
 	}
 	pinger.Run()
 
+	if pinger.PacketsRecv == 0 {
+		klog.Warningf("%s network not ready after %d ping, gw %s", src, pinger.PacketsSent, gw)
+		return pinger.PacketsSent, fmt.Errorf("no packets received from gateway %s", gw)
+	}
+
 	cniConnectivityResult.WithLabelValues(nodeName).Add(float64(pinger.PacketsSent))
 	if !success {
 		return fmt.Errorf("%s network not ready after %d ping %s", src, maxRetry, gw)