fix metalb bug

metallb-system-v0.13.7/IPAddressPool.yaml

+apiVersion: metallb.io/v1beta1
+kind: IPAddressPool
+metadata:
+  name: first-pool
+  namespace: metallb-system
+spec:
+  addresses:
+  # 可分配的 IP 地址,可以指定多个，包括 ipv4、ipv6
+  - 192.168.87.210-192.168.87.250

metallb-system-v0.13.7/L2Advertisement.yaml

+apiVersion: metallb.io/v1beta1
+kind: L2Advertisement
+metadata:
+  name: example
+  namespace: metallb-system
+spec:
+  ipAddressPools:
+  - first-pool #上一步创建的 ip 地址池，通过名字进行关联

metallb-system-v0.13.7/address.md

+[裸机 Kubernetes 集群负载均衡器: MetalLB 简明教程](https://www.lixueduan.com/posts/cloudnative/01-metallb/)

metallb-system/metallb.yaml

@@ -310,7 +310,7 @@ spec:
             secretKeyRef:
               name: memberlist
               key: secretkey
-        image: metallb/speaker:v0.9.3
+        image: quay.io/metallb/speaker:v0.9.3
         imagePullPolicy: Always
         name: speaker
         ports:
@@ -366,7 +366,7 @@ spec:
       - args:
         - --port=7472
         - --config=config
-        image: metallb/controller:v0.9.3
+        image: quay.io/metallb/controller:v0.9.3
         imagePullPolicy: Always
         name: controller
         ports: