Update for stopped container

Signed-off-by: rajasec <rajasec79@gmail.com>

libcontainer/container_linux.go

@@ -174,6 +174,13 @@ func (c *linuxContainer) Stats() (*Stats, error) {
 func (c *linuxContainer) Set(config configs.Config) error {
 	c.m.Lock()
 	defer c.m.Unlock()
+	status, err := c.currentStatus()
+	if err != nil {
+		return err
+	}
+	if status == Stopped {
+		return newGenericError(fmt.Errorf("container not running"), ContainerNotRunning)
+	}
 	c.config = &config
 	return c.cgroupManager.Set(c.config)
 }