● firewalld.service - firewalld - dynamic firewall daemon
   Loaded: loaded (/usr/lib/systemd/system/firewalld.service; enabled; vendor preset: disabled)
   Active: failed (Result: exit-code) since Thu 2019-11-14 16:02:44 CET; 6s ago
     Docs: man:firewalld(1)
  Process: 6284 ExecStart=/usr/bin/firewalld --nofork --nopid $FIREWALLD_ARGS (code=exited, status=1/FAILURE)
 Main PID: 6284 (code=exited, status=1/FAILURE)

Nov 14 16:02:44 myhostname systemd[1]: Starting firewalld - dynamic firewall daemon...
Nov 14 16:02:44 myhostname systemd[1]: firewalld.service: Main process exited, code=exited, status=1/FAILURE
Nov 14 16:02:44 myhostname systemd[1]: firewalld.service: Failed with result 'exit-code'.
Nov 14 16:02:44 myhostname systemd[1]: Failed to start firewalld - dynamic firewall daemon.