diff --git a/src/network/networkd-ipv6-proxy-ndp.c b/src/network/networkd-ipv6-proxy-ndp.c
index 0b57c6c4db..57b3fb0118 100644
--- a/src/network/networkd-ipv6-proxy-ndp.c
+++ b/src/network/networkd-ipv6-proxy-ndp.c
@@ -18,7 +18,7 @@ static int set_ipv6_proxy_ndp_address_handler(sd_netlink *rtnl, sd_netlink_messa
         assert(link);
 
         r = sd_netlink_message_get_errno(m);
-        if (r < 0 && r != -EEXIST)
+        if (r < 0)
                 log_link_message_warning_errno(link, m, r, "Could not add IPv6 proxy ndp address entry, ignoring");
 
         return 1;
@@ -38,7 +38,7 @@ static int ipv6_proxy_ndp_address_configure(Link *link, const struct in6_addr *a
         if (r < 0)
                 return log_link_error_errno(link, r, "Could not create RTM_NEWNEIGH message: %m");
 
-        r = sd_rtnl_message_neigh_set_flags(req, NLM_F_REQUEST | NTF_PROXY);
+        r = sd_rtnl_message_neigh_set_flags(req, NTF_PROXY);
         if (r < 0)
                 return log_link_error_errno(link, r, "Could not set neighbor flags: %m");
 
diff --git a/test/test-network/conf/25-ipv6-proxy-ndp.network b/test/test-network/conf/25-ipv6-proxy-ndp.network
new file mode 100644
index 0000000000..acdcce819a
--- /dev/null
+++ b/test/test-network/conf/25-ipv6-proxy-ndp.network
@@ -0,0 +1,24 @@
+[Match]
+Name=dummy98
+
+[Network]
+IPv6ProxyNDPAddress=2607:5300:203:5215:5::1
+IPv6ProxyNDPAddress=2607:5300:203:5215:4::1
+IPv6ProxyNDPAddress=2607:5300:203:5215:3::1
+IPv6ProxyNDPAddress=2607:5300:203:5215:2::1
+IPv6ProxyNDPAddress=2607:5300:203:5215:1::1
+IPv6AcceptRA=no
+IPForward=yes
+Address=66.70.129.136/32
+Address=66.70.129.142/32
+Address=66.70.129.143/32
+
+[Address]
+Address=2607:5300:203:5215::1/64
+
+[Route]
+Destination=2607:5300:203:52ff:ff:ff:ff:ff
+
+[Route]
+Gateway=2607:5300:203:52ff:ff:ff:ff:ff
+Destination=::/0
diff --git a/test/test-network/systemd-networkd-tests.py b/test/test-network/systemd-networkd-tests.py
index ab43bf30d6..54ce90f823 100755
--- a/test/test-network/systemd-networkd-tests.py
+++ b/test/test-network/systemd-networkd-tests.py
@@ -1764,6 +1764,7 @@ class NetworkdNetworkTests(unittest.TestCase, Utilities):
         '25-gre-tunnel-remote-any.netdev',
         '25-ip6gre-tunnel-remote-any.netdev',
         '25-ipv6-address-label-section.network',
+        '25-ipv6-proxy-ndp.network',
         '25-link-local-addressing-no.network',
         '25-link-local-addressing-yes.network',
         '25-link-section-unmanaged.network',
@@ -2489,6 +2490,17 @@ class NetworkdNetworkTests(unittest.TestCase, Utilities):
         print(output)
         self.assertRegex(output, '2004:da8:1::/64')
 
+    def test_ipv6_proxy_ndp(self):
+        copy_unit_to_networkd_unit_path('25-ipv6-proxy-ndp.network', '12-dummy.netdev')
+        start_networkd()
+
+        self.wait_online(['dummy98:routable'])
+
+        output = check_output('ip neighbor show proxy dev dummy98')
+        print(output)
+        for i in range(1,5):
+            self.assertRegex(output, f'2607:5300:203:5215:{i}::1 *proxy')
+
     def test_neighbor_section(self):
         copy_unit_to_networkd_unit_path('25-neighbor-section.network', '12-dummy.netdev')
         start_networkd()