diff --git a/src/shared/netif-naming-scheme.h b/src/shared/netif-naming-scheme.h
index 9160e457ed..3f7be08830 100644
--- a/src/shared/netif-naming-scheme.h
+++ b/src/shared/netif-naming-scheme.h
@@ -36,7 +36,8 @@ typedef enum NamingSchemeFlags {
         NAMING_16BIT_INDEX               = 1 << 11, /* Allow full 16-bit for the onboard index */
         NAMING_REPLACE_STRICTLY          = 1 << 12, /* Use udev_replace_ifname() for NAME= rule */
         NAMING_XEN_VIF                   = 1 << 13, /* Generate names for Xen netfront devices */
-        NAMING_BRIDGE_MULTIFUNCTION_SLOT = 1 << 14, /* Use PCI hotplug slot information associated with bridge, but only if PCI device is multifunction */
+        NAMING_BRIDGE_MULTIFUNCTION_SLOT = 1 << 14, /* Use PCI hotplug slot information associated with bridge, but only if PCI device is multifunction.
+                                                     * This is disabled since v255, as it seems not to work at least for some setups. See issue #28929. */
         NAMING_DEVICETREE_ALIASES        = 1 << 15, /* Generate names from devicetree aliases */
         NAMING_USB_HOST                  = 1 << 16, /* Generate names for usb host */
         NAMING_SR_IOV_R                  = 1 << 17, /* Use "r" suffix for SR-IOV VF representors */
@@ -58,7 +59,7 @@ typedef enum NamingSchemeFlags {
                                                        * for systemd version 254. It was added in a follow-up
                                                        * patch later. NAMING_SR_IOV_R is enabled by default in
                                                        * systemd version 255, naming scheme "v255". */
-        NAMING_V255 = NAMING_V254,
+        NAMING_V255 = NAMING_V254 & ~NAMING_BRIDGE_MULTIFUNCTION_SLOT,
 
         EXTRA_NET_NAMING_SCHEMES