code: func (s *Service) Start(ctx context.Context) error {
  	return s.collectContainersAndDo(ctx, func(c *container.Container) error {
  		if err := s.connectContainerToNetworks(ctx, c, false); err != nil {
  			return err
  		}
  		return c.Start(ctx)
  	})
  }
docs: // Start implements Service.Start. It tries to start a container without creating it.