transform ariane_clip3 OS Instance object to Ariane server JSON obj
        :return: Ariane JSON obj

def nic_2_json(self):
        """
        transform ariane_clip3 OS Instance object to Ariane server JSON obj
        :return: Ariane JSON obj
        """
        LOGGER.debug("NIC.nic_2_json")
        json_obj = {
            'nicID': self.id,
            'nicName': self.name,
            'nicMacAddress': self.mac_address,
            'nicDuplex': self.duplex,
            'nicSpeed': self.speed,
            'nicMtu': self.mtu,
            'nicOSInstanceID': self.nic_osi_id,
            'nicIPAddressID': self.nic_ipa_id
        }
        return json.dumps(json_obj)