fix solo5-hvt cannot be called explicitly

ubuntu_base/configure_bridge_firewall

@@ -28,4 +28,4 @@ sudo brctl addif br0 $PRIVATE
 sudo iptables -t mangle -D FORWARD -i br0 -m physdev --physdev-in $ENSI -j MARK --set-mark $I
 sudo iptables -t mangle -A FORWARD -i $BRI -m physdev --physdev-in $ENSI -j MARK --set-mark $I
 
-solo5-hvt --mem=32 --net:private=$PRIVATE --net:public=$PUBLIC $DIR/simple-fw/dist/simple-fw.hvt
\ No newline at end of file
+/home/node/.opam/4.14.2/bin/solo5-hvt --mem=32 --net:private=$PRIVATE --net:public=$PUBLIC $DIR/simple-fw/dist/simple-fw.hvt
\ No newline at end of file