Index: if_bridge.c
===================================================================
RCS file: /cvs/src/sys/net/if_bridge.c,v
retrieving revision 1.340
diff -u -p -r1.340 if_bridge.c
--- if_bridge.c	24 Jun 2020 22:03:42 -0000	1.340
+++ if_bridge.c	9 Jul 2020 07:02:24 -0000
@@ -273,14 +273,6 @@ bridge_ioctl(struct ifnet *ifp, u_long c
 			break;
 
 		ifs = ifunit(req->ifbr_ifsname);
-
-		/* try to create the interface if it does't exist */
-		if (ifs == NULL) {
-			error = if_clone_create(req->ifbr_ifsname, 0);
-			if (error == 0)
-				ifs = ifunit(req->ifbr_ifsname);
-		}
-
 		if (ifs == NULL) {			/* no such interface */
 			error = ENOENT;
 			break;