AIX Agent shuts down automatically after some time and we could see below error from the log.
20200505/010737.837 - U02000102 Error when calling the function 'recv(20)', error code '9(Bad file number)'.
20200505/010737.837 - U02000010 Connection to Server '*SERVER(s=12,ID=3)' terminated.
20200505/010737.838 - U02000102 Error when calling the function 'recv(20)', error code '9(Bad file number)'.
20200505/010737.841 - U02000041 Shutdown Agent 'AGENT.AIXAGENT.GCOT.APDWA960'.
20200505/010737.841 - U02000001 Agent 'AGENT.AIXAGENT.GCOT.APDWA960' version '12.2.0+build.2108' ended normally.