[root@linux04 install_zone]# systemctl stop firewalld.service
[root@linux04 install_zone]# systemctl status firewalld.service
ג firewalld.service - firewalld - dynamic firewall daemon
   Loaded: loaded (/usr/lib/systemd/system/firewalld.service; enabled; vendor preset: enabled)
   Active: inactive (dead) since Tue 2019-01-22 15:31:29 UTC; 1s ago
 Main PID: 3976 (code=exited, status=0/SUCCESS)

Jan 22 13:38:13 linux04.sys78-ht4.com systemd[1]: Starting firewalld - dynamic firewall daemon...
Jan 22 13:38:13 linux04.sys78-ht4.com systemd[1]: Started firewalld - dynamic firewall daemon.
Jan 22 14:08:37 linux04.sys78-ht3.com systemd[1]: Started firewalld - dynamic firewall daemon.
Jan 22 14:08:37 linux04.sys78-ht3.com firewalld[3976]: 2019-01-22 14:08:37 ERROR: ZONE_ALREADY_SET: trusted
Jan 22 14:21:57 linux04.sys78-ht3.com systemd[1]: Started firewalld - dynamic firewall daemon.
Jan 22 14:21:58 linux04.sys78-ht3.com firewalld[3976]: 2019-01-22 14:21:58 ERROR: ZONE_ALREADY_SET: trusted
Jan 22 15:31:28 linux04.sys78-ht3.com systemd[1]: Stopping firewalld - dynamic firewall daemon...
Jan 22 15:31:29 linux04.sys78-ht3.com systemd[1]: Stopped firewalld - dynamic firewall daemon.