add possiblity to set network in config file

vm-start.sh

@@ -215,13 +215,11 @@ set_uefi() {
 set_net() {
     case "${1%:*}" in
         "nat")
-            echo "add the interface ${1#*:}"
             network="${network} \
                 -netdev user,id=${1#*:} \
                 -device virtio-net,netdev=${1#*:}"
             ;;
         "br")
-            echo "add bridge ${1#*:}"
             if [ "${mac}" == "" ]
             then
                 echo "error, no mac set"
@@ -295,6 +293,11 @@ fi
 
 . "conf/$1-vm_var.sh"
 
+for i in ${net}; do
+    set_net "${i}"
+done
+
+
 for (( i=3; i<=$#; i++)); do
     case "${!i%=*}" in
         "--nproc")