diff --git a/test/test-network/conf/10-dropin-test.netdev b/test/test-network/conf/10-dropin-test.netdev
new file mode 100644
index 00000000000..d85ea5bb72d
--- /dev/null
+++ b/test/test-network/conf/10-dropin-test.netdev
@@ -0,0 +1,4 @@
+[NetDev]
+Name=hoge
+Kind=dummy
+MACAddress=00:50:56:c0:00:18
diff --git a/test/test-network/conf/10-dropin-test.netdev.d/mac.conf b/test/test-network/conf/10-dropin-test.netdev.d/mac.conf
new file mode 100644
index 00000000000..0b3f7659321
--- /dev/null
+++ b/test/test-network/conf/10-dropin-test.netdev.d/mac.conf
@@ -0,0 +1,2 @@
+[NetDev]
+MACAddress=00:50:56:c0:00:28
diff --git a/test/test-network/conf/10-dropin-test.netdev.d/name.conf b/test/test-network/conf/10-dropin-test.netdev.d/name.conf
new file mode 100644
index 00000000000..99059320a23
--- /dev/null
+++ b/test/test-network/conf/10-dropin-test.netdev.d/name.conf
@@ -0,0 +1,2 @@
+[NetDev]
+Name=dropin-test
diff --git a/test/test-network/systemd-networkd-tests.py b/test/test-network/systemd-networkd-tests.py
index 11b4aa12734..2525a35f761 100755
--- a/test/test-network/systemd-networkd-tests.py
+++ b/test/test-network/systemd-networkd-tests.py
@@ -153,7 +153,7 @@ class NetworkdNetDevTests(unittest.TestCase, Utilities):
     links =['bridge99', 'bond99', 'bond99', 'vlan99', 'test1', 'macvtap99',
             'macvlan99', 'ipvlan99', 'vxlan99', 'veth99', 'vrf99', 'tun99',
             'tap99', 'vcan99', 'geneve99', 'dummy98', 'ipiptun99', 'sittun99', '6rdtun99',
-            'gretap99', 'vtitun99', 'vti6tun99','ip6tnl99', 'gretun99', 'ip6gretap99', 'wg99']
+            'gretap99', 'vtitun99', 'vti6tun99','ip6tnl99', 'gretun99', 'ip6gretap99', 'wg99', 'dropin-test']
 
     units = ['25-bridge.netdev', '25-bond.netdev', '21-vlan.netdev', '11-dummy.netdev', '21-vlan.network',
              '21-macvtap.netdev', 'macvtap.network', '21-macvlan.netdev', 'macvlan.network', 'vxlan.network',
@@ -163,7 +163,7 @@ class NetworkdNetDevTests(unittest.TestCase, Utilities):
              '25-gre-tunnel.netdev', '25-gretap-tunnel.netdev', '25-vti-tunnel.netdev', '25-vti6-tunnel.netdev',
              '12-dummy.netdev', 'gre.network', 'ipip.network', 'ip6gretap.network', 'gretun.network',
              'ip6tnl.network', '25-tap.netdev', 'vti6.network', 'vti.network', 'gretap.network', 'sit.network',
-             '25-ipip-tunnel-independent.netdev', '25-wireguard.netdev', '6rd.network']
+             '25-ipip-tunnel-independent.netdev', '25-wireguard.netdev', '6rd.network', '10-dropin-test.netdev']
 
     def setUp(self):
         self.link_remove(self.links)
@@ -172,6 +172,17 @@ class NetworkdNetDevTests(unittest.TestCase, Utilities):
         self.link_remove(self.links)
         self.remove_unit_from_networkd_path(self.units)
 
+    def test_dropin(self):
+        self.copy_unit_to_networkd_unit_path('10-dropin-test.netdev')
+
+        self.start_networkd()
+
+        self.assertTrue(self.link_exits('dropin-test'))
+
+        output = subprocess.check_output(['ip', 'link', 'show', 'dropin-test']).rstrip().decode('utf-8')
+        print(output)
+        self.assertRegex(output, '00:50:56:c0:00:28')
+
     def test_bridge(self):
         self.copy_unit_to_networkd_unit_path('25-bridge.netdev')
         self.start_networkd()