CORD-433 Add virtual fabric to CiaB

Change-Id: I8fbea8c85f309a4c226951e0cde96a9b7394d6eb
diff --git a/ansible/roles/spineswitch/tasks/bridge.yml b/ansible/roles/spineswitch/tasks/bridge.yml
new file mode 100644
index 0000000..3e2cbfc
--- /dev/null
+++ b/ansible/roles/spineswitch/tasks/bridge.yml
@@ -0,0 +1,14 @@
+- name: Ensure brctl
+  apt:
+    name: bridge-utils
+    state: present
+
+- name: Ensure bridge
+  template:
+    src: templates/spinebr.cfg.j2
+    dest: /etc/network/interfaces.d/spinebr.cfg
+
+- name: Ensure bridge is up
+  command: ifup spinebr
+  tags:
+    - skip_ansible_lint # running a sub job