Merge "Load br_netfilter module in nova-cell role"

ansible/roles/nova-cell/tasks/config-host.yml

 ---
+- name: Load and persist br_netfilter module
+  include_role:
+    name: module-load
+  vars:
+    modules:
+      - { name: br_netfilter }
+  when:
+    - inventory_hostname in groups[nova_cell_compute_group]
+
 - name: Setting sysctl values
   become: true
   sysctl:

releasenotes/notes/load-br-netfilter-4ce9facd93e96af7.yaml

+---
+fixes:
+  - |
+    Fixes an issue where the ``br_netfilter`` kernel module was not loaded on
+    compute hosts. `LP#1886796
+    <https://bugs.launchpad.net/kolla-ansible/+bug/1886796>`__