diff --git a/src/network/networkd-address.c b/src/network/networkd-address.c
index d1087c5f123..2aa8c88bb2d 100644
--- a/src/network/networkd-address.c
+++ b/src/network/networkd-address.c
@@ -516,7 +516,7 @@ static int address_compare_func(const Address *a1, const Address *a2) {
         }
 }
 
-static bool address_can_update(const Address *existing, const Address *requesting) {
+bool address_can_update(const Address *existing, const Address *requesting) {
         assert(existing);
         assert(requesting);
 
diff --git a/src/network/networkd-address.h b/src/network/networkd-address.h
index cc2429094e7..350d2f6b381 100644
--- a/src/network/networkd-address.h
+++ b/src/network/networkd-address.h
@@ -85,6 +85,8 @@ void link_get_address_states(
 
 extern const struct hash_ops address_hash_ops;
 
+bool address_can_update(const Address *existing, const Address *requesting);
+
 Address* address_ref(Address *address);
 Address* address_unref(Address *address);
 
diff --git a/src/network/networkd-dhcp6.c b/src/network/networkd-dhcp6.c
index eb1420be5c0..de4588c93e0 100644
--- a/src/network/networkd-dhcp6.c
+++ b/src/network/networkd-dhcp6.c
@@ -158,8 +158,7 @@ static int verify_dhcp6_address(Link *link, const Address *address) {
         } else
                 log_level = LOG_DEBUG;
 
-        if (address->prefixlen == existing->prefixlen)
-                /* Currently, only conflict in prefix length is reported. */
+        if (address_can_update(existing, address))
                 goto simple_log;
 
         if (existing->source == NETWORK_CONFIG_SOURCE_NDISC)