def add_hostname_cn_ip(self, addresses):
        """Add an address to the SAN list for the hostname request

        :param addr: [] List of address to be added
        """
        for addr in addresses:
            if addr not in self.hostname_entry['addresses']:
                self.hostname_entry['addresses'].append(addr)
Add an address to the SAN list for the hostname request

        :param addr: [] List of address to be added