probe service is failed after linux reboot

Hi - I received probe service failed after Linux reboot. please advise how to troubleshoot it? Thank you!

Code Chang

-----------------------------------------
Port          Availability         Module
-----------------------------------------
8088               Yes             Client
13308              Yes             postgres
22                 No              SSHD
69                 Yes             TFTP
514                Yes             Syslog

#####################################################

Please free the port(s) [22] before starting the server

#####################################################

JAVA_HOME   : /opt/ManageEngine/OpManagerProbe/bin/../jre
SERVER_HOME : /opt/ManageEngine/OpManagerProbe/bin/..
DATE        : Tue Mar 26 17:41:22 CST 2019

Check webServerPort http value : null https Port : 8088
PortCheckerUtil.getPort : serviceName :NETFLOW_LISTENER_PORT Flag : true
NFAPropFile :/opt/ManageEngine/OpManagerProbe/bin/../conf/netflow/nfa.properties
PortValue is : 9996
Check for NetFlow Port with value :9996
PortCheckerUtil.checkPorts :9996
Starting Server from location: /opt/ManageEngine/OpManagerProbe
inside addon check
System going to Shutdown --- received process interrupt
Shutting down the JVM now!