OSMH: Management Agent setup.sh script fails with Error "Deploying service plugin(s).Time out"

Applies to:

OS Management Hub (OSMH On-Premise)

Oracle Cloud Infrastructure

Symptoms:

Configuring the OSMH Management Agent by running the setup.sh script fails with an error  below :

$ sudo /opt/oracle/mgmt_agent/agent_inst/bin/setup.sh opts=/tmp/input.rsp   
/opt/oracle/mgmt_agent/agent_inst/bin/setup.sh opts=/tmp/input.rsp  Executing configure          
Parsing input response file         Validating install key         Generating communication wallet         
Generating security artifacts         Registering Management Agent                 
Found service plugin(s): [osmh]  Starting agent... Agent started successfully  
Starting plugin deployment for: [osmh] Deploying service plugin(s)..............................Timed out.         
Agent is unable to check if it deployed requested service plugin(s)  successfully or not. Please check back later on the console.  
Agent setup completed and the agent is running. 
In the future agent can be started by directly running: 
sudo systemctl  start mgmt_agent Please make sure that you delete /tmp/input.rsp or store it in secure  location.