def __init__(self, image, mount_point=None):
self.system_requirements()<EOL>self.mount_point_exists = False<EOL>super(NspawnImageFS, self).__init__(image, mount_point=mount_point)<EOL>self.image = image<EOL>
Raises CommandDoesNotExistException if the command is not present on the system.

:param image: instance of NspawnImage
:param mount_point: str, directory where the filesystem will be mounted