def format_attachments(attachments=[]):
    """ Return formatted_attachments for volume config """
    formatted_attachments = []
    for attachment in attachments:
        formatted_attachment = {
            'attach_time': str(attachment.get('AttachTime')),
            'instance_id': attachment.get('InstanceId'),
            'volume_id': attachment.get('VolumeId'),
            'state': attachment.get('State'),
            'delete_on_termination': attachment.get('DeleteOnTermination'),
            'device': attachment.get('Device')
        }
        formatted_attachments.append(formatted_attachment)
    return formatted_attachments