IOS implementation of get_lldp_neighbors.

def get_lldp_neighbors(self):
        """IOS implementation of get_lldp_neighbors."""
        lldp = {}
        neighbors_detail = self.get_lldp_neighbors_detail()
        for intf_name, entries in neighbors_detail.items():
            lldp[intf_name] = []
            for lldp_entry in entries:
                hostname = lldp_entry["remote_system_name"]
                # Match IOS behaviour of taking remote chassis ID
                # When lacking a system name (in show lldp neighbors)
                if hostname == "N/A":
                    hostname = lldp_entry["remote_chassis_id"]
                lldp_dict = {"port": lldp_entry["remote_port"], "hostname": hostname}
                lldp[intf_name].append(lldp_dict)

        return lldp