我正在尝试使用我的networkConnection.yaml为3个组织（每个组织有2个对等方和一个kafka订购者）连接到hyperledger Fabric中的节点SDK，但出现以下错误：
2019-02-04T12:34:45.710Z - error: [Network]: _initializeInternalChannel: Unable to initialize channel. Attempted to contact 6 Peers. Last error was Error: 2 UNKNOWN: Stream removed
Error processing transaction. Error: Unable to initialize channel.
Attempted to contact 6 Peers. Last error was Error: 2 UNKNOWN: Stream removed
Error: Unable to initialize channel. Attempted to contact 6 Peers. Last error was Error: 2 UNKNOWN: Stream removed
at Network._initializeInternalChannel (/home/alberto/ibotics-network-1/application/node_modules/fabric-network/lib/network.js:127:12)
Disconnect from Fabric gateway.
Issue program complete.
谢谢
我的Fabric网络在3个实例（16.04 LTS）的docker swarm中的Gcloud上运行。