@@ -104,7 +104,7 @@ func StartMaster(networkConfig osconfigapi.MasterNetworkConfig, osClient *osclie

 }

 func (master *OsdnMaster) validateNetworkConfig() error {

-	hostIPNets, err := netutils.GetHostIPNetworks([]string{TUN, LBR})

+	hostIPNets, _, err := netutils.GetHostIPNetworks([]string{TUN, LBR})

 	if err != nil {

 		return err

 	}

@@ -27,10 +27,10 @@ func GenerateDefaultGateway(sna *net.IPNet) net.IP {

 // Return Host IP Networks

 // Ignores provided interfaces and filters loopback and non IPv4 addrs.

-func GetHostIPNetworks(skipInterfaces []string) ([]*net.IPNet, error) {

+func GetHostIPNetworks(skipInterfaces []string) ([]*net.IPNet, []net.IP, error) {

 	hostInterfaces, err := net.Interfaces()

 	if err != nil {

-		return nil, err

+		return nil, nil, err

 	}

 	skipInterfaceMap := make(map[string]bool)

@@ -40,6 +40,7 @@ func GetHostIPNetworks(skipInterfaces []string) ([]*net.IPNet, error) {

 	errList := []error{}

 	var hostIPNets []*net.IPNet

+	var hostIPs []net.IP

 	for _, iface := range hostInterfaces {

 		if skipInterfaceMap[iface.Name] {

 			continue

@@ -60,10 +61,11 @@ func GetHostIPNetworks(skipInterfaces []string) ([]*net.IPNet, error) {

 			// Skip loopback and non IPv4 addrs

 			if !ip.IsLoopback() && ip.To4() != nil {

 				hostIPNets = append(hostIPNets, ipNet)

+				hostIPs = append(hostIPs, ip)

 			}

 		}

 	}

-	return hostIPNets, kerrors.NewAggregate(errList)

+	return hostIPNets, hostIPs, kerrors.NewAggregate(errList)

 }

 func GetNodeIP(nodeName string) (string, error) {