donot start radvd on startup

Signed-off-by: Abhishek Kumar <abhishek.mrt22@gmail.com>

systemvm/debian/opt/cloud/bin/setup/common.sh

@@ -300,7 +300,7 @@ restore_ipv6() {
   fi
   if [ -n "$ETH0_IP6" ]
   then
-    enable_radvd
+    enable_radvd true
   fi
   if [ -n "$ETH2_IP6" ]
   then
@@ -409,12 +409,15 @@ enable_radvd() {
     systemctl enable radvd
     echo "radvd" >> /var/cache/cloud/enabled_svcs
   fi
-  systemctl -q is-active radvd
-  status=$?
-  if [ $status -ne 0 ]
-  then
-    log_it "Starting radvd"
-    systemctl start radvd
+  local startradvd=$1
+  if [ "$startradvd" = true ] ; then
+    systemctl -q is-active radvd
+    status=$?
+    if [ $status -ne 0 ]
+    then
+      log_it "Starting radvd"
+      systemctl start radvd
+    fi
   fi
 }
 
@@ -442,7 +445,7 @@ setup_radvd() {
   sed -i "s,{{ RDNSS_CONFIG }},$RDNSS_CFG,g" /etc/radvd.conf.$intf
   cat /etc/radvd.conf.$intf >> /etc/radvd.conf
   if [ "$enable" = true ] ; then
-    enable_radvd
+    enable_radvd false
   fi
 }