def update_device(name, **kwargs):
    '''
    .. versionadded:: 2019.2.0

    Add attributes to an existing device, identified by name.

    name
        The name of the device, e.g., ``edge_router``
    kwargs
       Arguments to change in device, e.g., ``serial=JN2932930``

    CLI Example:

    .. code-block:: bash

        salt myminion netbox.update_device edge_router serial=JN2932920
    '''
    kwargs = __utils__['args.clean_kwargs'](**kwargs)
    nb_device = _get('dcim', 'devices', auth_required=True, name=name)
    for k, v in kwargs.items():
        setattr(nb_device, k, v)
    try:
        nb_device.save()
        return {'dcim': {'devices': kwargs}}
    except RequestError as e:
        log.error('%s, %s, %s', e.req.request.headers, e.request_body, e.error)
        return False