增肌pd分离，P/D单实例单机的所有对称切分。

vllm/distributed/kv_transfer/kv_connector/v1/p2p/p2p_nccl_connector.py

@@ -473,8 +473,11 @@ class P2pNcclConnector(KVConnectorBase_V1):
                         for i in range(8):
                             self.p2p_nccl_engine.send_tensor(request_id + "#" + layer_name,
                                                         kv_cache, ip + ":" + str(port + i))
+                    elif (self.enable_asymmetric_p2p):
+                        self.p2p_nccl_engine.send_tensor(request_id + "#" + layer_name,
+                                                    kv_cache, remote_address)
                     else:
-                        logger.error("Error: only suppprt pp1 pp2 pp8!!!!!!")
+                        logger.error("Error: P/D single machine only suppprt multiple tp:: (P: pp2tp4 D:tp8 P:pp8tp1 D:tp8) !!!!!!")
                 else:
                         logger.error("Error: not support!!!!!!")
     def wait_for_save(self):