remove weave-local-pods ipset which no longer used by weave-npc

prog/weave-npc/main.go

@@ -186,6 +186,17 @@ func createBaseRules(ipt *iptables.IPTables, ips ipset.Interface) error {
 		return err
 	}
 
+	// delete `weave-local-pods` ipset which is no longer used by weave-npc
+	weaveLocalPodExist, err := ipsetExist(ips, npc.LocalIpset)
+	if err != nil {
+		common.Log.Errorf("Failed to destroy ipset '%s'", npc.LocalIpset)
+	} else if weaveLocalPodExist {
+		common.Log.Debugf("Destroying ipset '%s'", npc.LocalIpset)
+		if err := ips.Destroy(npc.LocalIpset); err != nil {
+			common.Log.Errorf("Failed to destroy ipset '%s'", npc.LocalIpset)
+		}
+	}
+
 	return nil
 }