Fix bridge some more, remove superflous warning from vewarn and error when no interface correctly

net.Linux/bridge.sh

@@ -38,17 +38,17 @@ bridge_pre_start() {
 			eend 1
 			return 1
 		fi
-
-		eval set -- ${opts}
-		for x in "$@" ; do
-			case " ${x} " in
-				*" ${IFACE} "*) ;;
-				*) x="${x} ${IFACE}" ;;
-			esac
-			brctl ${x}
-		done
 	fi
 
+	eval $(_get_array "brctl_${IFVAR}")
+	for x in "$@" ; do
+		set -- ${x}
+		x=$1
+		shift
+		set -- "${x}" "${IFACE}" "$@"
+		brctl "$@"
+	done
+
 	if [ -n "${ports}" ] ; then
 		einfo "Adding ports to ${IFACE}"
 		eindent
@@ -66,7 +66,7 @@ bridge_pre_start() {
 		done
 		eoutdent
 	fi
-	)
+	) || return 1
 
 	# Bring up the bridge
 	_up

sh/net.sh

@@ -394,6 +394,12 @@ start() {
 		fi
     done
 
+	if ! _exists ; then
+		eerror "ERROR: interface ${IFACE} does not exist"
+		eerror "Ensure that you have loaded the correct kernel module for your hardware"
+		return 1
+	fi
+
 	if ! _wait_for_carrier ; then
 		if service_started devd ; then
 			ewarn "no carrier, but devd will start us when we have one"

src/libeinfo.c

@@ -861,7 +861,6 @@ int ewarnv (const char *fmt, ...)
 		retval += printf ("\n");
 	}
 	va_end (ap);
-	retval += printf ("\n");
 
 	return (retval);
 }