Load kvm module explicitly

Related-Prod: PRODX-00000
Change-Id: I3087f186d43580b75f1cd642838af8433138acaf
diff --git a/de/heat-templates/scripts/instance_boot.sh b/de/heat-templates/scripts/instance_boot.sh
index 8f77132..b1b54fe 100644
--- a/de/heat-templates/scripts/instance_boot.sh
+++ b/de/heat-templates/scripts/instance_boot.sh
@@ -330,6 +330,15 @@
     fi
 }
 
+function load_modules {
+    cat << EOF >> /etc/modprobe.d/qemu-system-x86.conf
+options kvm nested=1
+EOF
+
+modprobe kvm nested=1
+
+}
+
 
 case "$NODE_TYPE" in
     ucp)
@@ -370,6 +379,7 @@
         install_required_packages
         install_docker
         network_config
+        load_modules
         download_bundles
         join_node worker
         install_kubectl