ifcfg-rh: fix IPv6-only configurations (rh #538499)

system-settings/plugins/ifcfg-rh/tests/network-scripts/Makefile.am

@@ -57,7 +57,8 @@ EXTRA_DIST = \
 	route6-test-wired-ipv6-manual \
 	ifcfg-test-wired-static-no-prefix-8 \
 	ifcfg-test-wired-static-no-prefix-16 \
-	ifcfg-test-wired-static-no-prefix-24
+	ifcfg-test-wired-static-no-prefix-24 \
+	ifcfg-test-wired-ipv6-only
 
 check-local:
 	@for f in $(EXTRA_DIST); do \

system-settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-test-wired-ipv6-only

@@ -0,0 +1,14 @@
+# Intel Corporation 82567LM Gigabit Network Connection
+TYPE=Ethernet
+DEVICE=eth2
+HWADDR=00:11:22:33:44:ee
+ONBOOT=yes
+USERCTL=yes
+NM_CONTROLLED=yes
+PEERDNS=yes
+DNS1=1:2:3:4::a
+DOMAIN="lorem.com ipsum.org dolor.edu"
+IPV6INIT=yes
+IPV6_AUTOCONF=no
+IPV6ADDR="1001:abba::1234/56"
+