Folks, Recently i am seeing lots of error message in rabbitmq logs saying missing heartbeats from nova-api nodes, I am not seeing any issue at functionality level as everything working fine but just noticed those error and trying to find root cause of it. 172.28.15.125 nova-api server 172.28.15.192 rabbitmq server on rabbit.log 2020-03-24 12:21:41.389 [error] <0.29772.4418> closing AMQP connection <0.29772.4418> (172.28.15.125:42656 -> 172.28.15.192:5671 - uwsgi:32419:9b8a323b-653d-4585-9916-d52b3fd81d59): missed heartbeats from client, timeout: 60s on nova-api.log 2020-03-24 12:19:06.554 32435 ERROR oslo.messaging._drivers.impl_rabbit [-] [4b8adff0-ff9f-4863-a939-537d391e5d9e] AMQP server on 172.28.15.192:5671 is unreachable: [Errno 104] Connection reset by peer. Trying again in 1 seconds.: error: [Errno 104] Connection reset by peer