test-network: add test for issue #17304

2 files changed, 25 insertions, 0 deletions

diff --git a/test/test-network/conf/25-address-peer-ipv4.network b/test/test-network/conf/25-address-peer-ipv4.network
new file mode 100644
index 0000000000..362ea25a95
--- /dev/null
+++ b/test/test-network/conf/25-address-peer-ipv4.network
@@ -0,0 +1,9 @@
+[Match]
+Name=dummy98
+
+[Network]
+IPv6AcceptRA=no
+
+[Address]
+Address=100.64.0.1/32
+Peer=100.64.0.2/32
diff --git a/test/test-network/systemd-networkd-tests.py b/test/test-network/systemd-networkd-tests.py
index e4ac070787..3189302655 100755
--- a/test/test-network/systemd-networkd-tests.py
+++ b/test/test-network/systemd-networkd-tests.py
@@ -1742,6 +1742,7 @@ class NetworkdNetworkTests(unittest.TestCase, Utilities):
         '25-address-dad-veth-peer.network',
         '25-address-dad-veth99.network',
         '25-address-link-section.network',
+        '25-address-peer-ipv4.network',
         '25-address-preferred-lifetime-zero.network',
         '25-address-static.network',
         '25-bind-carrier.network',
@@ -1886,6 +1887,21 @@ class NetworkdNetworkTests(unittest.TestCase, Utilities):
         print(output)
         self.assertNotRegex(output, '192.168.100.10/24')
 
+    def test_address_peer_ipv4(self):
+        # test for issue #17304
+        copy_unit_to_networkd_unit_path('25-address-peer-ipv4.network', '12-dummy.netdev')
+
+        for trial in range(2):
+            if trial == 0:
+                start_networkd()
+            else:
+                restart_networkd()
+
+            self.wait_online(['dummy98:routable'])
+
+            output = check_output('ip -4 address show dev dummy98')
+            self.assertIn('inet 100.64.0.1 peer 100.64.0.2/32 scope global', output)
+
     @expectedFailureIfModuleIsNotAvailable('vrf')
     def test_prefix_route(self):
         copy_unit_to_networkd_unit_path('25-prefix-route-with-vrf.network', '12-dummy.netdev',