原因:http://rabbitmq.1065348.n5.nabble.com/Unknown-delivery-tag-1-td33885.html
connection reset的细节原因可以参见https://my.oschina.net/xionghui/blog/508758
rabbitmq部署,请参考最佳实践:https://www.cloudamqp.com/blog/rabbitmq-checklist-for-production-environments-a-complete-guide.html
rabbitmq实践:https://fullstackmastery.com/page/38/why-you-should-not-use-rabbitmq-for-realtime-messaging