fix entrypoint script

scripts/entrypoint.sh

@@ -3,13 +3,6 @@ set -euo pipefail
 
 API_SOCKET="/hy.socks"
 
-_stop() {
-  echo "STOPPING!!"
-  ch-remote --api-socket "$API_SOCKET" power-button
-}
-
-trap _stop TERM INT
-
 /usr/bin/cloud-hypervisor \
   --kernel /boot/vmlinuz-virt --initramfs /boot/initramfs-virt \
   --disk path=/image/vm.raw,image_type=raw \
@@ -23,4 +16,12 @@ trap _stop TERM INT
 
 CH_PID=$!
 
+_stop() {
+  echo "STOPPING!!"
+  ch-remote --api-socket "$API_SOCKET" power-button
+  wait $CH_PID
+}
+
+trap _stop TERM INT
+
 wait $CH_PID