[ -n "$BRIDGE_NAME" ] || BRIDGE_NAME='br0'
[ -n "$BRIDGE_DEVICES" ] || BRIDGE_DEVICES='eth0 eth1'
+check_devs() {
+ for dev in $BRIDGE_DEVICES ; do
+ ip link show dev "$dev" >/dev/null 2>&1 || return 1
+ done
+}
+
+if ! check_devs ; then
+ eerror "BRIDGE_DEVICES $BRIDGE_DEVICES do not seem to exist." >&2
+ exit 1
+fi
+
check4progs $BRCTL || exit 1
case "$1" in