diff --git a/tests/integration/image-install-upgrade.sh b/tests/integration/image-install-upgrade.sh
index 70aab1558..0c347a6a8 100755
--- a/tests/integration/image-install-upgrade.sh
+++ b/tests/integration/image-install-upgrade.sh
@@ -201,11 +201,14 @@ ansible-playbook -v \
     playbooks/check-system.yaml
 
 greenprint "Create upgrade Containerfile"
-tee "$UPGRADE_CONTAINERFILE" > /dev/null << EOF
+tee "$UPGRADE_CONTAINERFILE" > /dev/null << REALEOF
 FROM "$TEST_IMAGE_URL"
 RUN dnf -y install wget && \
     dnf -y clean all
+RUN cat <<EOF >> /usr/lib/bootc/kargs.d/01-console.toml
+kargs = ["systemd.unified_cgroup_hierarchy=0"]
 EOF
+REALEOF
 
 greenprint "Build $TEST_OS upgrade container image"
 sudo podman build --tls-verify=false --retry=5 --retry-delay=10 -t "${TEST_IMAGE_NAME}:${QUAY_REPO_TAG}" -f "$UPGRADE_CONTAINERFILE" .
@@ -224,6 +227,32 @@ ansible-playbook -v \
     -e bootc_image="$TEST_IMAGE_URL" \
     -e image_label_version_id="$REDHAT_VERSION_ID" \
     -e upgrade="true" \
+    -e kargs="systemd.unified_cgroup_hierarchy=0" \
+    playbooks/check-system.yaml
+
+greenprint "Create second upgrade Containerfile to test kargs delta"
+tee "$UPGRADE_CONTAINERFILE" > /dev/null << REALEOF
+FROM "$TEST_IMAGE_URL"
+RUN dnf -y install wget && \
+    dnf -y clean all
+RUN cat <<EOF >> /usr/lib/bootc/kargs.d/01-console.toml
+kargs = ["systemd.unified_cgroup_hierarchy=1"]
+EOF
+REALEOF
+
+greenprint "Upgrade $TEST_OS system"
+ansible-playbook -v \
+    -i "$INVENTORY_FILE" \
+    playbooks/upgrade.yaml
+
+greenprint "Run ostree checking test after upgrade on $PLATFORM instance"
+ansible-playbook -v \
+    -i "$INVENTORY_FILE" \
+    -e test_os="$TEST_OS" \
+    -e bootc_image="$TEST_IMAGE_URL" \
+    -e image_label_version_id="$REDHAT_VERSION_ID" \
+    -e upgrade="true" \
+    -e kargs="systemd.unified_cgroup_hierarchy=1" \
     playbooks/check-system.yaml
 
 greenprint "Rollback $TEST_OS system"
diff --git a/tests/integration/install-upgrade.fmf b/tests/integration/install-upgrade.fmf
index be8cc94d2..5ccbc12d8 100644
--- a/tests/integration/install-upgrade.fmf
+++ b/tests/integration/install-upgrade.fmf
@@ -12,8 +12,3 @@
   summary: bootc install to-disk and upgrade test
   test: ./image-install-upgrade.sh
   duration: 90m
-
-/bootc-kargs:
-  summary: bootc kargs test
-  test: ./bootc-kargs.sh
-  duration: 90m
diff --git a/tests/integration/playbooks/check-system.yaml b/tests/integration/playbooks/check-system.yaml
index a04c6a7c1..50ee69b8d 100644
--- a/tests/integration/playbooks/check-system.yaml
+++ b/tests/integration/playbooks/check-system.yaml
@@ -455,13 +455,13 @@
 
     # case: check karg
     - name: grep for kargs
-      when: kargs != ''
       shell: cat /proc/cmdline | grep $item
       with_items: "{{ kargs.split(',') }}"
       register: kargs_check
       # grep will exit with 1 when no results found.
       # This causes the task not to halt play.
       ignore_errors: true
+      when: kargs != ''
     
     - name: check if kargs exist
       block:
@@ -477,7 +477,7 @@
         - name: failed count + 1
           set_fact:
             failed_counter: "{{ failed_counter | int + 1 }}"
-      when: karg != ''
+      when: kargs != ''
 
     # case: check reboot times
     - name: check reboot times