File 0001-firewall-backend-Switch-default-backend-to-iptables.patch of Package firewalld

diff -burNE firewalld-0.7.4_orig/config/firewalld.conf firewalld-0.7.4/config/firewalld.conf
--- firewalld-0.7.4_orig/config/firewalld.conf	2020-04-03 09:45:04.363964087 +0200
+++ firewalld-0.7.4/config/firewalld.conf	2020-04-03 09:45:21.495215479 +0200
@@ -53,9 +53,9 @@
 # FirewallBackend
 # Selects the firewall backend implementation.
 # Choices are:
-#	- nftables (default)
-#	- iptables (iptables, ip6tables, ebtables and ipset)
-FirewallBackend=nftables
+#	- nftables
+#	- iptables (iptables, ip6tables, ebtables and ipset) (default)
+FirewallBackend=iptables
 
 # FlushAllOnReload
 # Flush all runtime rules on a reload. In previous releases some runtime
diff -burNE firewalld-0.7.4_orig/doc/xml/firewalld.conf.xml firewalld-0.7.4/doc/xml/firewalld.conf.xml
--- firewalld-0.7.4_orig/doc/xml/firewalld.conf.xml	2020-04-03 09:45:05.071933150 +0200
+++ firewalld-0.7.4/doc/xml/firewalld.conf.xml	2020-04-03 09:45:21.499215305 +0200
@@ -149,8 +149,8 @@
             <listitem>
                 <para>
                 Selects the firewall backend implementation. Possible values
-                are; <replaceable>nftables</replaceable> (default), or
-                <replaceable>iptables</replaceable>. This applies to all
+                are; <replaceable>nftables</replaceable>, or
+                <replaceable>iptables</replaceable> (default). This applies to all
                 firewalld primitives. The only exception is direct and
                 passthrough rules which always use the traditional iptables,
                 ip6tables, and ebtables backends.
diff -burNE firewalld-0.7.4_orig/src/firewall/config/__init__.py.in firewalld-0.7.4/src/firewall/config/__init__.py.in
--- firewalld-0.7.4_orig/src/firewall/config/__init__.py.in	2020-04-03 09:45:05.367920215 +0200
+++ firewalld-0.7.4/src/firewall/config/__init__.py.in	2020-04-03 09:45:21.503215130 +0200
@@ -128,7 +128,7 @@
 FALLBACK_INDIVIDUAL_CALLS = False
 FALLBACK_LOG_DENIED = "off"
 FALLBACK_AUTOMATIC_HELPERS = "system"
-FALLBACK_FIREWALL_BACKEND = "nftables"
+FALLBACK_FIREWALL_BACKEND = "iptables"
 FALLBACK_FLUSH_ALL_ON_RELOAD = True
 FALLBACK_RFC3964_IPV4 = True
 FALLBACK_ALLOW_ZONE_DRIFTING = False