[root@standalone-0 ~]# systemctl status network.service
● network.service - LSB: Bring up/down networking
   Loaded: loaded (/etc/rc.d/init.d/network; generated)
   Active: failed (Result: exit-code) since Wed 2020-04-01 11:23:43 UTC; 52min ago
     Docs: man:systemd-sysv-generator(8)
  Process: 7316 ExecStart=/etc/rc.d/init.d/network start (code=exited, status=1/FAILURE)

Apr 01 11:23:43 standalone-0.adetestdomain.com network[7316]: RTNETLINK answers: File exists
Apr 01 11:23:43 standalone-0.adetestdomain.com network[7316]: RTNETLINK answers: File exists
Apr 01 11:23:43 standalone-0.adetestdomain.com network[7316]: RTNETLINK answers: File exists
Apr 01 11:23:43 standalone-0.adetestdomain.com network[7316]: RTNETLINK answers: File exists
Apr 01 11:23:43 standalone-0.adetestdomain.com network[7316]: RTNETLINK answers: File exists
Apr 01 11:23:43 standalone-0.adetestdomain.com network[7316]: RTNETLINK answers: File exists
Apr 01 11:23:43 standalone-0.adetestdomain.com network[7316]: RTNETLINK answers: File exists
Apr 01 11:23:43 standalone-0.adetestdomain.com systemd[1]: network.service: Control process exited, code=exited status=1
Apr 01 11:23:43 standalone-0.adetestdomain.com systemd[1]: network.service: Failed with result 'exit-code'.
Apr 01 11:23:43 standalone-0.adetestdomain.com systemd[1]: Failed to start LSB: Bring up/down networking.