Firewalld не сохраняет состояние между перезагрузками

[root@master ~]# grep -i pretty /etc/os-release 
PRETTY_NAME="CentOS Linux 7 (Core)"
[root@master ~]# firewall-cmd --get-active-zones
public
  interfaces: enp0s3 enp0s8
[root@master ~]# firewall-cmd --zone=external --change-interface=enp0s3
success
[root@master ~]# firewall-cmd --zone=internal --change-interface=enp0s8
success
[root@master ~]# firewall-cmd --get-active-zones
internal
  interfaces: enp0s8
external
  interfaces: enp0s3
[root@master ~]# firewall-cmd --permanent --zone=external --change-interface=enp0s3
success
[root@master ~]# firewall-cmd --permanent --zone=internal --change-interface=enp0s8
success
[root@master ~]# firewall-cmd --get-active-zones
internal
  interfaces: enp0s8
external
  interfaces: enp0s3
[root@master ~]# reboot
------------------------------------------------------------------------------------ 
[root@master ~]# firewall-cmd --get-active-zones
public
  interfaces: enp0s3 enp0s8