Hello All, hope everyone is doing great, I am unable to start syslog-ng, I see this messages... Any help is appreciated.

Jul 25 11:36:14 server-1systemd[1]: Unit syslog.socket entered failed state.

Jul 25 11:36:14 server-1systemd[1]: Unit syslog-ng.service entered failed state.

Jul 25 11:36:14 server-1systemd[1]: syslog-ng.service failed.

Jul 25 11:36:18 server-1kernel: dccp_diag: Unknown symbol dccp_hashinfo (err 0)

Jul 25 11:36:18 server-1kernel: dccp_diag: Unknown symbol dccp_hashinfo (err 0)

Jul 25 11:36:48 server-1systemd[1]: Listening on Syslog Socket.

[root@server-1 tmp]# systemctl status syslog-ng.service

● syslog-ng.service - System Logger Daemon

   Loaded: loaded (/usr/lib/systemd/system/syslog-ng.service; enabled; vendor preset: enabled)

   Active: activating (start) since Tue 2017-07-25 11:44:20 GMT+7; 36s ago

     Docs: man:syslog-ng(8)

 Main PID: 21822 (syslog-ng)

   CGroup: /system.slice/syslog-ng.service

           └─21822 /usr/sbin/syslog-ng -F -p /var/run/syslogd.pid --fd-limit 50000

Jul 25 11:44:20 lvsinfosecsplunkcollector-1137760 systemd[1]: Starting System Logger Daemon...

[root@server-1 tmp]# syslog-ng -V

syslog-ng 3.9.1

Installer-Version: 3.9.1

Revision:

Module-Directory: /usr/local/lib/syslog-ng

Module-Path: /usr/local/lib/syslog-ng

Available-Modules: date,json-plugin,syslogformat,add-contextual-data,affile,afprog,confgen,cryptofuncs,pseudofile,sdjournal,csvparser,graphite,cef,afmongodb,basicfuncs,system-source,afuser,dbparser,afstomp,afsocket,disk-buffer,kvformat,afamqp,linux-kmsg-format

Enable-Debug: off

Enable-GProf: off

Enable-Memtrace: off

Enable-IPv6: on

Enable-Spoof-Source: off

Enable-TCP-Wrapper: off

Enable-Linux-Caps: off

--

Thanks,

Vijay Amrut.

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