diff --git a/de/heat-templates/scripts/instance_boot.sh b/de/heat-templates/scripts/instance_boot.sh
index a4429b9..f81ac55 100644
--- a/de/heat-templates/scripts/instance_boot.sh
+++ b/de/heat-templates/scripts/instance_boot.sh
@@ -576,8 +576,8 @@
 net.ipv4.conf.all.rp_filter=0
 net.ipv4.conf.default.rp_filter=0
 EOF
-    for iface in /proc/sys/net/ipv4/conf/en[sp]*/rp_filter; do
-        echo 0 > $iface
+    for iface in $(find  /proc/sys/net/ipv4/conf/ -name "enp*" -o -name "ens*" -o -name "eth*"); do
+        echo 0 > $iface/rp_filter
     done
 
     sysctl -p /etc/sysctl.d/99-disable-rp-filter.conf
@@ -801,7 +801,8 @@
 
 function nested_virt_config {
 
-cat << EOF > /etc/modprobe.d/qemu-system-x86.conf
+if grep --color vmx /proc/cpuinfo; then
+    cat << EOF > /etc/modprobe.d/qemu-system-x86.conf
 options kvm_intel nested=1
 options kvm_intel enable_apicv=1
 options kvm_intel ept=1
@@ -809,6 +810,9 @@
 
     modprobe -r kvm_intel || true
     modprobe kvm_intel nested=1
+else
+    echo "Nested virtualization is not supported"
+fi
 
 }