Fix backing store image name for cookied-cicd-pike-dpdk

Change-Id: Ib0d224fd38c830be9ffc4c6201390e3b3a11b905
diff --git a/tcp_tests/templates/cookied-cicd-pike-dpdk/underlay.yaml b/tcp_tests/templates/cookied-cicd-pike-dpdk/underlay.yaml
index 69d4a42..d7b588e 100644
--- a/tcp_tests/templates/cookied-cicd-pike-dpdk/underlay.yaml
+++ b/tcp_tests/templates/cookied-cicd-pike-dpdk/underlay.yaml
@@ -671,7 +671,7 @@
               volumes:
                 - name: system
                   capacity: {{ os_env('KVM_NODE_VOLUME_SIZE', 150) }}
-                  backing_store: mcp_ubuntu_1604_image
+                  backing_store: cloudimage1604
                   format: qcow2
                 - name: iso  # Volume with name 'iso' will be used
                              # for store image with cloud-init metadata.
@@ -697,7 +697,7 @@
               volumes:
                 - name: system
                   capacity: {{ os_env('KVM_NODE_VOLUME_SIZE', 150) }}
-                  backing_store: mcp_ubuntu_1604_image
+                  backing_store: cloudimage1604
                   format: qcow2
                 - name: iso  # Volume with name 'iso' will be used
                              # for store image with cloud-init metadata.
@@ -723,7 +723,7 @@
               volumes:
                 - name: system
                   capacity: {{ os_env('KVM_NODE_VOLUME_SIZE', 150) }}
-                  backing_store: mcp_ubuntu_1604_image
+                  backing_store: cloudimage1604
                   format: qcow2
                 - name: iso  # Volume with name 'iso' will be used
                              # for store image with cloud-init metadata.
@@ -749,7 +749,7 @@
               volumes:
                 - name: system
                   capacity: {{ os_env('CID_NODE_VOLUME_SIZE', 150) }}
-                  backing_store: mcp_ubuntu_1604_image
+                  backing_store: cloudimage1604
                   format: qcow2
                 - name: iso  # Volume with name 'iso' will be used
                              # for store image with cloud-init metadata.
@@ -775,7 +775,7 @@
               volumes:
                 - name: system
                   capacity: {{ os_env('CID_NODE_VOLUME_SIZE', 150) }}
-                  backing_store: mcp_ubuntu_1604_image
+                  backing_store: cloudimage1604
                   format: qcow2
                 - name: iso  # Volume with name 'iso' will be used
                              # for store image with cloud-init metadata.
@@ -801,7 +801,7 @@
               volumes:
                 - name: system
                   capacity: {{ os_env('CID_NODE_VOLUME_SIZE', 150) }}
-                  backing_store: mcp_ubuntu_1604_image
+                  backing_store: cloudimage1604
                   format: qcow2
                 - name: iso  # Volume with name 'iso' will be used
                              # for store image with cloud-init metadata.