Azure service Bus error: i/o timeout

Hello everybody,
Azure service Bus stopped working
Jul 01 09:20:30 METUBNTSRV01 lora-app-server[1207]: time=“2019-07-01T09:20:30Z” level=error msg=“integration/multi: integration *azureservicebus.Integration error” error=“send e rror: read tcp 10.33.1.10:45332->23.102.0.186:5671: i/o timeout”

Please can somebody help me with this Error message?

Thank you