Index: priv.c
===================================================================
RCS file: /cvs/src/usr.sbin/vmd/priv.c,v
retrieving revision 1.15
diff -u -p -r1.15 priv.c
--- priv.c	28 Jun 2019 13:32:51 -0000	1.15
+++ priv.c	15 Jul 2020 23:37:50 -0000
@@ -144,8 +144,10 @@ priv_dispatch_parent(int fd, struct priv
 		strlcpy(ifbr.ifbr_ifsname, vfr.vfr_value,
 		    sizeof(ifbr.ifbr_ifsname));
 		if (ioctl(env->vmd_fd, SIOCBRDGADD, &ifbr) == -1 &&
-		    errno != EEXIST)
-			log_warn("SIOCBRDGADD");
+		    errno != EEXIST) {
+			log_warn("SIOCBRDGADD %s add %s",
+			    vfr.vfr_name, vfr.vfr_value);
+		}
 		break;
 	case IMSG_VMDOP_PRIV_IFEXISTS:
 		/* Determine if bridge/switch exists */