diff --git a/libnm-core/nm-core-internal.h b/libnm-core/nm-core-internal.h
index b5e82c3a6d..7dc57e502d 100644
--- a/libnm-core/nm-core-internal.h
+++ b/libnm-core/nm-core-internal.h
@@ -252,7 +252,7 @@ gboolean _nm_ip_route_attribute_validate_all (const NMIPRoute *route);
 const char **_nm_ip_route_get_attribute_names (const NMIPRoute *route, gboolean sorted, guint *out_length);
 GHashTable *_nm_ip_route_get_attributes_direct (NMIPRoute *route);
 
-NMSriovVF *_nm_utils_sriov_vf_from_strparts (const char *index, const char *detail, GError **error);
+NMSriovVF *_nm_utils_sriov_vf_from_strparts (const char *index, const char *detail, gboolean ignore_unknown, GError **error);
 gboolean _nm_sriov_vf_attribute_validate_all (const NMSriovVF *vf, GError **error);
 
 static inline void
diff --git a/libnm-core/nm-keyfile.c b/libnm-core/nm-keyfile.c
index e4ed1899f9..5aa8a4ac71 100644
--- a/libnm-core/nm-keyfile.c
+++ b/libnm-core/nm-keyfile.c
@@ -152,7 +152,7 @@ sriov_vfs_parser (KeyfileReaderInfo *info, NMSetting *setting, const char *key)
 		                                         keys[i],
 		                                         NULL);
 
-		vf = _nm_utils_sriov_vf_from_strparts (rest, value, NULL);
+		vf = _nm_utils_sriov_vf_from_strparts (rest, value, TRUE, NULL);
 		if (vf)
 			g_ptr_array_add (vfs, vf);
 	}
diff --git a/libnm-core/nm-utils.c b/libnm-core/nm-utils.c
index 3f8a322acf..f75276c784 100644
--- a/libnm-core/nm-utils.c
+++ b/libnm-core/nm-utils.c
@@ -2737,11 +2737,14 @@ nm_utils_sriov_vf_from_str (const char *str, GError **error)
 		detail++;
 	}
 
-	return _nm_utils_sriov_vf_from_strparts (str, detail, error);
+	return _nm_utils_sriov_vf_from_strparts (str, detail, FALSE, error);
 }
 
 NMSriovVF *
-_nm_utils_sriov_vf_from_strparts (const char *index, const char *detail, GError **error)
+_nm_utils_sriov_vf_from_strparts (const char *index,
+                                  const char *detail,
+                                  gboolean ignore_unknown,
+                                  GError **error)
 {
 	NMSriovVF *vf;
 	guint32 n_index;
@@ -2761,7 +2764,12 @@ _nm_utils_sriov_vf_from_strparts (const char *index, const char *detail, GError
 
 	vf = nm_sriov_vf_new (n_index);
 	if (detail) {
-		ht = nm_utils_parse_variant_attributes (detail, ' ', '=', TRUE, _nm_sriov_vf_attribute_spec, error);
+		ht = nm_utils_parse_variant_attributes (detail,
+		                                        ' ',
+		                                        '=',
+		                                        ignore_unknown,
+		                                        _nm_sriov_vf_attribute_spec,
+		                                        error);
 		if (!ht) {
 			nm_sriov_vf_unref (vf);
 			return NULL;
diff --git a/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-reader.c b/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-reader.c
index 70fffb8882..6e83182cce 100644
--- a/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-reader.c
+++ b/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-reader.c
@@ -2261,7 +2261,7 @@ make_sriov_setting (shvarFile *ifcfg)
 
 			key += NM_STRLEN ("SRIOV_VF");
 
-			vf = _nm_utils_sriov_vf_from_strparts (key, value, &error);
+			vf = _nm_utils_sriov_vf_from_strparts (key, value, TRUE, &error);
 			if (!vf) {
 				PARSE_WARNING ("ignoring invalid SR-IOV VF '%s %s': %s",
 				               key, value, error->message);