diff --git a/src/platform/nm-linux-platform.c b/src/platform/nm-linux-platform.c
index 6d64e12885..54cedbda54 100644
--- a/src/platform/nm-linux-platform.c
+++ b/src/platform/nm-linux-platform.c
@@ -964,6 +964,15 @@ init_link (NMPlatform *platform, NMPlatformLink *info, struct rtnl_link *rtnllin
 		}
 	}
 
+#if HAVE_LIBNL_INET6_ADDR_GEN_MODE
+	if (_support_user_ipv6ll_get ()) {
+		guint8 mode = 0;
+
+		if (rtnl_link_inet6_get_addr_gen_mode (rtnllink, &mode) == 0)
+			info->inet6_addr_gen_mode_inv = ~mode;
+	}
+#endif
+
 	udev_device = g_hash_table_lookup (priv->udev_devices, GINT_TO_POINTER (info->ifindex));
 	if (udev_device) {
 		info->driver = nmp_utils_udev_get_driver (udev_device);
diff --git a/src/platform/nm-platform.c b/src/platform/nm-platform.c
index 6bb1351567..5433d5c7e2 100644
--- a/src/platform/nm-platform.c
+++ b/src/platform/nm-platform.c
@@ -2991,6 +2991,7 @@ nm_platform_link_cmp (const NMPlatformLink *a, const NMPlatformLink *b)
 	_CMP_FIELD (a, b, mtu);
 	_CMP_FIELD_BOOL (a, b, initialized);
 	_CMP_FIELD (a, b, addr.len);
+	_CMP_FIELD (a, b, inet6_addr_gen_mode_inv);
 	_CMP_FIELD_STR_INTERNED (a, b, kind);
 	_CMP_FIELD_STR0 (a, b, udi);
 	_CMP_FIELD_STR_INTERNED (a, b, driver);
diff --git a/src/platform/nm-platform.h b/src/platform/nm-platform.h
index 1d941a556b..66f24dad65 100644
--- a/src/platform/nm-platform.h
+++ b/src/platform/nm-platform.h
@@ -107,6 +107,11 @@ struct _NMPlatformLink {
 		guint8 len;
 	} addr;
 
+	/* The bitwise inverse of rtnl_link_inet6_get_addr_gen_mode(). It is inverse
+	 * to have a default of 0 -- meaning: unspecified. That way, a struct
+	 * initialized with memset(0) has and unset value.*/
+	guint8 inet6_addr_gen_mode_inv;
+
 	/* rtnl_link_vlan_get_id(), IFLA_VLAN_ID */
 	guint16 vlan_id;