diff --git a/.pipelines/cni/cilium/cilium-scale-test.yaml b/.pipelines/cni/cilium/cilium-scale-test.yaml
index 51f018b0bb..78935d2c09 100644
--- a/.pipelines/cni/cilium/cilium-scale-test.yaml
+++ b/.pipelines/cni/cilium/cilium-scale-test.yaml
@@ -341,6 +341,7 @@ stages:
                 kubectl apply -f apache.yaml
                 echo "wait for pod to become ready"
                 kubectl rollout status deployment apachebench --timeout=30s
+                kubectl wait --for=condition=Ready pods --all --timeout=30s
                 kubectl get pod -owide
                 mkdir test2_apachebench
                 cd test2_apachebench
@@ -399,6 +400,7 @@ stages:
                 chmod +x hack/scripts/netperf.sh
                 kubectl apply -f hack/manifests/netperf-pod.yaml
                 kubectl rollout status deployment container6 --timeout=30s
+                kubectl wait --for=condition=Ready pods --all --timeout=30s
                 mkdir test3_netperf
                 sh hack/scripts/netperf.sh
                 echo "collect cpu and mem results after netperf tests"
diff --git a/hack/manifests/apache.yaml b/hack/manifests/apache.yaml
index 1a06512d4e..7a466141dd 100644
--- a/hack/manifests/apache.yaml
+++ b/hack/manifests/apache.yaml
@@ -13,6 +13,5 @@ spec:
     spec:
       containers:
       - name: ubuntu-tools
-        image: tamilmani1989/ubuntu18-tools
+        image: acnpublic.azurecr.io/tamilmani1989/ubuntu18-tools
         command: ["/bin/sleep", "3650d"]
-        
\ No newline at end of file
diff --git a/hack/manifests/netperf-pod.yaml b/hack/manifests/netperf-pod.yaml
index 74c93d882a..d9ecd8ab72 100644
--- a/hack/manifests/netperf-pod.yaml
+++ b/hack/manifests/netperf-pod.yaml
@@ -20,7 +20,7 @@ spec:
         netperf: "true"
       containers:
       - name: ubuntu
-        image: tamilmani1989/ubuntu18-tools
+        image: acnpublic.azurecr.io/tamilmani1989/ubuntu18-tools
         imagePullPolicy: Always
         command: ["/bin/sh","-c"]
         args: ["echo helloworld>hello.txt; php -S 0.0.0.0:9568"]
diff --git a/test/scale/templates/real-nginx-deployment.yaml b/test/scale/templates/real-nginx-deployment.yaml
index 0bdd413f92..1739731b4e 100644
--- a/test/scale/templates/real-nginx-deployment.yaml
+++ b/test/scale/templates/real-nginx-deployment.yaml
@@ -24,7 +24,7 @@ spec:
         scale-test: "true"
       containers:
       - name: nginx
-        image: nginx:1
+        image: mcr.microsoft.com/cbl-mariner/base/nginx:1
         ports:
         - name: http
           containerPort: 80