Fix node/openvswitch containers not restarting after upgrade.

playbooks/common/openshift-cluster/upgrades/v3_1_to_v3_2/containerized_node_upgrade.yml

@@ -1,7 +1,7 @@
 - include_vars: ../../../../../roles/openshift_node/vars/main.yml
 
 - name: Update systemd units
-  include: ../../../../../roles/openshift_node/tasks/systemd_units.yml openshift_version=v{{ g_new_version }}
+  include: ../../../../../roles/openshift_node/tasks/systemd_units.yml openshift_version={{ openshift_image_tag }}
 
 - name: Verifying the correct version was configured
   shell: grep {{ verify_upgrade_version }} {{ item }}