Return the dict to display in the curse interface.

def msg_curse(self, args=None, max_width=None):
        """Return the dict to display in the curse interface."""
        # Init the return message
        ret = []

        # Only process if stats exist and display plugin enable...
        if not self.stats or self.is_disable():
            return ret

        # Build the string message
        msg = ' - '
        ret.append(self.curse_add_line(msg))
        msg = 'IP '
        ret.append(self.curse_add_line(msg, 'TITLE'))
        if 'address' in self.stats:
            msg = '{}'.format(self.stats['address'])
            ret.append(self.curse_add_line(msg))
        if 'mask_cidr' in self.stats:
            # VPN with no internet access (issue #842)
            msg = '/{}'.format(self.stats['mask_cidr'])
            ret.append(self.curse_add_line(msg))
        try:
            msg_pub = '{}'.format(self.stats['public_address'])
        except (UnicodeEncodeError, KeyError):
            # Add KeyError exception (see https://github.com/nicolargo/glances/issues/1469)
            pass
        else:
            if self.stats['public_address'] is not None:
                msg = ' Pub '
                ret.append(self.curse_add_line(msg, 'TITLE'))
                ret.append(self.curse_add_line(msg_pub))

        return ret