'Attach a volume to an instance.
:param str volume_id: The volume ID.
:param str instance_id: The instance ID.
:param unicode device: The OS device path to which to attach
the device.
:return: A ``dict`` containing the EC2 response data.'

@boto3_log
def _attach_ebs_volume(self, volume_id, instance_id, device):

    volume = self.connection.Volume(volume_id)
    return volume.attach_to_instance(InstanceId=instance_id, Device=device)
