我正在尝试将实例从我的Django模型加载到elasticsearch服务器，但出现错误：
elasticsearch.exceptions.ConnectionError: ConnectionError(<urllib3.connection.HTTPConnection object at 0x7f1c8cffbc18>:
Failed to establish a new connection: [Errno -8] Servname not supported for ai_socktype) caused by: NewConnectionError(<urllib3.connection.HTTPConnection object at 0x7f1c8cffbc18>: Failed to establish a new connection: [Errno -8] Servname not supported for ai_socktype)
我已使用以下命令在本地端口9200的本地主机上使用docker建立了Elasticsearch服务器实例：
docker run -d -p 9200:9200 -p 9300:9300 -e "discovery.type=single-node" docker.elastic.co/elasticsearch/elasticsearch:6.0.0
我可以使用curl / localhost来访问服务器，但是出现上述错误。