@@ -463,10 +463,12 @@ func (container *Container) allocateNetwork() error {

 	if container.Config.PortSpecs != nil {

 		if err := migratePortMappings(container.Config, container.hostConfig); err != nil {

+			eng.Job("release_interface", container.ID).Run()

 			return err

 		}

 		container.Config.PortSpecs = nil

 		if err := container.WriteHostConfig(); err != nil {

+			eng.Job("release_interface", container.ID).Run()

 			return err

 		}

 	}

@@ -496,6 +498,7 @@ func (container *Container) allocateNetwork() error {

 	for port := range portSpecs {

 		if err := container.allocatePort(eng, port, bindings); err != nil {

+			eng.Job("release_interface", container.ID).Run()

 			return err

 		}

 	}

@@ -1149,7 +1152,6 @@ func (container *Container) allocatePort(eng *engine.Engine, port nat.Port, bind

 			return err

 		}

 		if err := job.Run(); err != nil {

-			eng.Job("release_interface", container.ID).Run()

 			return err

 		}

 		b.HostIp = portEnv.Get("HostIP")