fix missing digit

logic/wireguard.go

@@ -166,7 +166,7 @@ func initWireguard(node *models.Node, privkey string, peers []wgtypes.PeerConfig
 		if network.AddressRange6 != "" {
 			net := strings.Split(network.AddressRange6, "/")
 			mask6 = net[len(net)-1]
-			address6 = node.Address
+			address6 = node.Address6
 		}
 
 		setKernelDevice(ifacename, address4, mask4, address6, mask6)