@@ -1008,11 +1008,11 @@ func initBridgeDriver(controller libnetwork.NetworkController, config *config.Co

 	}

 	if config.BridgeConfig.IP != "" {

-		ipamV4Conf.PreferredPool = config.BridgeConfig.IP

-		ip, _, err := net.ParseCIDR(config.BridgeConfig.IP)

+		ip, ipNet, err := net.ParseCIDR(config.BridgeConfig.IP)

 		if err != nil {

 			return err

 		}

+		ipamV4Conf.PreferredPool = ipNet.String()

 		ipamV4Conf.Gateway = ip.String()

 	} else if bridgeName == bridge.DefaultBridgeName && ipamV4Conf.PreferredPool != "" {

 		logrus.Infof("Default bridge (%s) is assigned with an IP address %s. Daemon option --bip can be used to set a preferred IP address", bridgeName, ipamV4Conf.PreferredPool)

@@ -193,7 +193,7 @@ func TestDaemonWithBipAndDefaultNetworkPool(t *testing.T) {

 	out, err := c.NetworkInspect(context.Background(), "bridge", types.NetworkInspectOptions{})

 	assert.NilError(t, err)

 	// Make sure BIP IP doesn't get override with new default address pool .

-	assert.Equal(t, out.IPAM.Config[0].Subnet, "172.60.0.1/16")

+	assert.Equal(t, out.IPAM.Config[0].Subnet, "172.60.0.0/16")

 	delInterface(t, defaultNetworkBridge)

 }