报错

grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "Connection reset by peer"
	debug_error_string = "{"created":"@1656122568.552913904","description":"Error received from peer ipv4:xxx.xxx.57.213:30083","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"Connection reset by peer","grpc_status":14}"

 raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "connections to all backends failing"
	debug_error_string = "{"created":"@1656122569.146862274","description":"Failed to pick subchannel","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":5419,"referenced_errors":[{"created":"@1656122568.553159260","description":"connections to all backends failing","file":"src/core/ext/filters/client_channel/lb_policy/round_robin/round_robin.cc","file_line":335,"grpc_status":14}]}"

解决方案

参考：https://www.codercto.com/a/45450.html