if err != nil {
		return err
	}

	for _, target := range targetList {
		defer target.Close()
	}

	for _, target := range targetList {
		yes, err := target.IsActive()
		if err == nil && !yes {
			err = ErrTargetsOffline
		}
		if err != nil {
			return fmt.Errorf("error (%s): %w", target.ID(), err)
		}
	}

	return nil
}

	if !ok {
		tgts = make(map[string]bool)
	}
	for _, target := range targetList {
		if tgts[target.ID().ID] {
			// When target set should be online
			yes, err := target.IsActive()
			if err == nil && !yes {
				err = ErrTargetsOffline
			}
			if err != nil {
				return fmt.Errorf("error (%s): %w", target.ID(), err)
			}
		} else {
			// Just for call init.