Fix conntrack for opensuse and docker support (#5880)

roles/bootstrap-os/tasks/bootstrap-opensuse.yml

@@ -28,6 +28,14 @@
   when:
     - http_proxy is defined or https_proxy is defined
 
+# Required for zypper module
+- name: Install python-xml
+  shell: zypper refresh && zypper --non-interactive install python-xml
+  changed_when: false
+  become: true
+  tags:
+    - facts
+
 # Without this package, the get_url module fails when trying to handle https
 - name: Install python-cryptography
   zypper: