diff --git a/src/nm-device-bond.c b/src/nm-device-bond.c
index a1e8ce0ce1..ec59500a08 100644
--- a/src/nm-device-bond.c
+++ b/src/nm-device-bond.c
@@ -374,7 +374,7 @@ free_slave_info (SlaveInfo *sinfo)
 }
 
 static gboolean
-enslave_slave (NMDevice *device, NMDevice *slave)
+enslave_slave (NMDevice *device, NMDevice *slave, NMConnection *connection)
 {
 	NMDeviceBond *self = NM_DEVICE_BOND (device);
 	NMDeviceBondPrivate *priv = NM_DEVICE_BOND_GET_PRIVATE (self);
diff --git a/src/nm-device.c b/src/nm-device.c
index 27a2d2c4e2..68bb87ee07 100644
--- a/src/nm-device.c
+++ b/src/nm-device.c
@@ -766,6 +766,7 @@ nm_device_get_connection_provider (NMDevice *device)
  * nm_device_enslave_slave:
  * @dev: the master device
  * @slave: the slave device to enslave
+ * @connection: the slave device's connection
  *
  * If @dev is capable of enslaving other devices (ie it's a bridge, bond, etc)
  * then this function enslaves @slave.
@@ -774,14 +775,14 @@ nm_device_get_connection_provider (NMDevice *device)
  *  other devices.
  */
 gboolean
-nm_device_enslave_slave (NMDevice *dev, NMDevice *slave)
+nm_device_enslave_slave (NMDevice *dev, NMDevice *slave, NMConnection *connection)
 {
 	g_return_val_if_fail (dev != NULL, FALSE);
 	g_return_val_if_fail (slave != NULL, FALSE);
 	g_return_val_if_fail (nm_device_get_state (slave) >= NM_DEVICE_STATE_DISCONNECTED, FALSE);
 
 	if (NM_DEVICE_GET_CLASS (dev)->enslave_slave)
-		return NM_DEVICE_GET_CLASS (dev)->enslave_slave (dev, slave);
+		return NM_DEVICE_GET_CLASS (dev)->enslave_slave (dev, slave, connection);
 	return FALSE;
 }
 
@@ -1111,7 +1112,7 @@ act_stage1_prepare (NMDevice *self, NMDeviceStateReason *reason)
 
 		master = NM_DEVICE (nm_act_request_get_device (NM_ACT_REQUEST (master_ac)));
 		g_assert (master);
-		if (!nm_device_enslave_slave (master, self))
+		if (!nm_device_enslave_slave (master, self, nm_act_request_get_connection (req)))
 			ret = NM_ACT_STAGE_RETURN_FAILURE;
 	}
 
diff --git a/src/nm-device.h b/src/nm-device.h
index 9762c5c363..059e1f9890 100644
--- a/src/nm-device.h
+++ b/src/nm-device.h
@@ -180,7 +180,8 @@ typedef struct {
 	                                    gboolean fail_if_no_hwaddr);
 
 	gboolean        (* enslave_slave) (NMDevice *self,
-	                                   NMDevice *slave);
+	                                   NMDevice *slave,
+	                                   NMConnection *connection);
 
 	gboolean        (* release_slave) (NMDevice *self,
 	                                   NMDevice *slave);
@@ -216,7 +217,7 @@ NMDHCP6Config * nm_device_get_dhcp6_config (NMDevice *dev);
 NMIP4Config *	nm_device_get_ip4_config	(NMDevice *dev);
 NMIP6Config *	nm_device_get_ip6_config	(NMDevice *dev);
 
-gboolean        nm_device_enslave_slave     (NMDevice *dev, NMDevice *slave);
+gboolean        nm_device_enslave_slave     (NMDevice *dev, NMDevice *slave, NMConnection *connection);
 gboolean        nm_device_release_slave     (NMDevice *dev, NMDevice *slave);
 
 NMActRequest *	nm_device_get_act_request	(NMDevice *dev);