'Add floating IP to an instance
:param address: The IP address or FloatingIP to add to the instance
:param fixed_address: The fixedIP address the FloatingIP is to be
associated with (optional)
:returns: An instance of novaclient.base.TupleWithMeta'

def add_floating_ip(self, address, fixed_address=None):

    return self.manager.add_floating_ip(self, address, fixed_address)
