@@ -434,7 +434,7 @@ func (container *Container) buildHostnameAndHostsFiles(IP string) error {

 func (container *Container) allocateNetwork() error {

 	mode := container.hostConfig.NetworkMode

-	if container.Config.NetworkDisabled || mode.IsContainer() || mode.IsHost() || mode.IsNone() {

+	if container.Config.NetworkDisabled || !mode.IsPrivate() {

 		return nil

 	}

@@ -905,7 +905,7 @@ func (container *Container) updateParentsHosts() error {

 		}

 		c := container.daemon.Get(cid)

-		if c != nil && !container.daemon.config.DisableNetwork && !container.hostConfig.NetworkMode.IsContainer() && !container.hostConfig.NetworkMode.IsHost() {

+		if c != nil && !container.daemon.config.DisableNetwork && container.hostConfig.NetworkMode.IsPrivate() {

 			if err := etchosts.Update(c.HostsPath, container.NetworkSettings.IPAddress, container.Name[1:]); err != nil {

 				return fmt.Errorf("Failed to update /etc/hosts in parent container: %v", err)

 			}

@@ -10,6 +10,11 @@ import (

 type NetworkMode string

+// IsPrivate indicates whether container use it's private network stack

+func (n NetworkMode) IsPrivate() bool {

+	return !(n.IsHost() || n.IsContainer() || n.IsNone())

+}

+

 func (n NetworkMode) IsHost() bool {

 	return n == "host"

 }