code: func (c *controller) SandboxDestroy(id string) error {
  	var sb *sandbox
  	c.Lock()
  	for _, s := range c.sandboxes {
  		if s.containerID == id {
  			sb = s
  			break
  		}
  	}
  	c.Unlock()
  
  	// It is not an error if sandbox is not available
  	if sb == nil {
  		return nil
  	}
  
  	return sb.Delete()
  }
docs: // SandboxDestroy destroys a sandbox given a container ID