diff --git a/src/core/devices/nm-device-bond.c b/src/core/devices/nm-device-bond.c
index 72ede7c19c..9eaea7c263 100644
--- a/src/core/devices/nm-device-bond.c
+++ b/src/core/devices/nm-device-bond.c
@@ -228,9 +228,10 @@ controller_update_port_connection(NMDevice     *self,
                                   GError      **error)
 {
     NMSettingBondPort *s_port;
-    int                ifindex_port = nm_device_get_ifindex(port);
-    uint               queue_id     = NM_BOND_PORT_QUEUE_ID_DEF;
-    gs_free char      *queue_id_str = NULL;
+    int                ifindex_port       = nm_device_get_ifindex(port);
+    NMConnection      *applied_connection = nm_device_get_applied_connection(self);
+    uint               queue_id           = NM_BOND_PORT_QUEUE_ID_DEF;
+    gs_free char      *queue_id_str       = NULL;
 
     g_return_val_if_fail(ifindex_port > 0, FALSE);
 
@@ -247,7 +248,7 @@ controller_update_port_connection(NMDevice     *self,
 
     g_object_set(nm_connection_get_setting_connection(connection),
                  NM_SETTING_CONNECTION_MASTER,
-                 nm_device_get_iface(self),
+                 nm_connection_get_uuid(applied_connection),
                  NM_SETTING_CONNECTION_SLAVE_TYPE,
                  NM_SETTING_BOND_SETTING_NAME,
                  NULL);
diff --git a/src/core/devices/nm-device-bridge.c b/src/core/devices/nm-device-bridge.c
index 31cf361e8e..d8f1337058 100644
--- a/src/core/devices/nm-device-bridge.c
+++ b/src/core/devices/nm-device-bridge.c
@@ -679,9 +679,10 @@ master_update_slave_connection(NMDevice     *device,
     NMDeviceBridge      *self = NM_DEVICE_BRIDGE(device);
     NMSettingConnection *s_con;
     NMSettingBridgePort *s_port;
-    int                  ifindex_slave = nm_device_get_ifindex(slave);
-    const char          *iface         = nm_device_get_iface(device);
-    const Option        *option;
+    int                  ifindex_slave      = nm_device_get_ifindex(slave);
+    NMConnection        *applied_connection = nm_device_get_applied_connection(device);
+
+    const Option *option;
 
     g_return_val_if_fail(ifindex_slave > 0, FALSE);
 
@@ -717,7 +718,7 @@ master_update_slave_connection(NMDevice     *device,
 
     g_object_set(s_con,
                  NM_SETTING_CONNECTION_MASTER,
-                 iface,
+                 nm_connection_get_uuid(applied_connection),
                  NM_SETTING_CONNECTION_SLAVE_TYPE,
                  NM_SETTING_BRIDGE_SETTING_NAME,
                  NULL);
diff --git a/src/core/devices/nm-device.c b/src/core/devices/nm-device.c
index 3a7009e6c2..ec8ea32831 100644
--- a/src/core/devices/nm-device.c
+++ b/src/core/devices/nm-device.c
@@ -6573,27 +6573,30 @@ device_recheck_slave_status(NMDevice *self, const NMPlatformLink *plink)
                                        NM_DEVICE_STATE_REASON_CONNECTION_ASSUMED);
     }
 
-    if (master && NM_DEVICE_GET_CLASS(master)->attach_port) {
-        nm_device_master_add_slave(master, self, FALSE);
+    if (master) {
+        if (NM_DEVICE_GET_CLASS(master)->attach_port) {
+            nm_device_master_add_slave(master, self, FALSE);
+        } else {
+            _LOGD(LOGD_DEVICE,
+                  "enslaved to non-master-type device %s; ignoring",
+                  nm_device_get_iface(master));
+        }
         goto out;
     }
 
-    if (master) {
-        _LOGD(LOGD_DEVICE,
-              "enslaved to non-master-type device %s; ignoring",
-              nm_device_get_iface(master));
-    } else {
+    if (plink->master) {
         _LOGD(LOGD_DEVICE,
               "enslaved to unknown device %d (%s%s%s)",
               plink->master,
               NM_PRINT_FMT_QUOTED(plink_master, "\"", plink_master->name, "\"", "??"));
+        if (!priv->ifindex_changed_id) {
+            priv->ifindex_changed_id = g_signal_connect(nm_device_get_manager(self),
+                                                        NM_MANAGER_DEVICE_IFINDEX_CHANGED,
+                                                        G_CALLBACK(device_ifindex_changed_cb),
+                                                        self);
+        }
     }
-    if (!priv->ifindex_changed_id) {
-        priv->ifindex_changed_id = g_signal_connect(nm_device_get_manager(self),
-                                                    NM_MANAGER_DEVICE_IFINDEX_CHANGED,
-                                                    G_CALLBACK(device_ifindex_changed_cb),
-                                                    self);
-    }
+
     return;
 
 out:
@@ -6605,6 +6608,8 @@ device_ifindex_changed_cb(NMManager *manager, NMDevice *device_changed, NMDevice
 {
     NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE(self);
 
+    g_return_if_fail(priv->master_ifindex > 0);
+
     if (priv->master_ifindex != nm_device_get_ifindex(device_changed))
         return;
 
diff --git a/src/core/devices/team/nm-device-team.c b/src/core/devices/team/nm-device-team.c
index d90b766bdb..49ce953df1 100644
--- a/src/core/devices/team/nm-device-team.c
+++ b/src/core/devices/team/nm-device-team.c
@@ -258,9 +258,10 @@ master_update_slave_connection(NMDevice     *device,
     gs_free_error GError *connect_error = NULL;
     int                   err           = 0;
     struct teamdctl      *tdc;
-    const char           *team_port_config = NULL;
-    const char           *iface            = nm_device_get_iface(device);
-    const char           *iface_slave      = nm_device_get_iface(slave);
+    const char           *team_port_config   = NULL;
+    const char           *iface              = nm_device_get_iface(device);
+    const char           *iface_slave        = nm_device_get_iface(slave);
+    NMConnection         *applied_connection = nm_device_get_applied_connection(device);
 
     tdc = _tdc_connect_new(self, iface, &connect_error);
     if (!tdc) {
@@ -299,7 +300,7 @@ master_update_slave_connection(NMDevice     *device,
 
     g_object_set(nm_connection_get_setting_connection(connection),
                  NM_SETTING_CONNECTION_MASTER,
-                 iface,
+                 nm_connection_get_uuid(applied_connection),
                  NM_SETTING_CONNECTION_SLAVE_TYPE,
                  NM_SETTING_TEAM_SETTING_NAME,
                  NULL);
diff --git a/src/core/nm-checkpoint.c b/src/core/nm-checkpoint.c
index 1566733289..cd0e17fa87 100644
--- a/src/core/nm-checkpoint.c
+++ b/src/core/nm-checkpoint.c
@@ -416,10 +416,10 @@ activate:
             }
         } else {
             /* The device was initially disconnected, deactivate any existing connection */
-            _LOGD("rollback: disconnecting device");
 
             if (nm_device_get_state(device) > NM_DEVICE_STATE_DISCONNECTED
                 && nm_device_get_state(device) < NM_DEVICE_STATE_DEACTIVATING) {
+                _LOGD("rollback: disconnecting device");
                 nm_device_state_changed(device,
                                         NM_DEVICE_STATE_DEACTIVATING,
                                         NM_DEVICE_STATE_REASON_USER_REQUESTED);