diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 1ba3975..08f2267 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -102,7 +102,7 @@ rubocop:
 ###############################################################################
 # Define `test` template
 ###############################################################################
-.test_instance:
+.test_instance: &test_instance
   stage: *stage_test
   image: *image_dindruby
   services: *services_docker_dind
@@ -117,6 +117,13 @@ rubocop:
     # Alternative value to consider: `${CI_JOB_NAME}`
     - 'bin/kitchen verify "${DOCKER_ENV_CI_JOB_NAME}"'
 
+###############################################################################
+# Define `test` template (`allow_failure: true`)
+###############################################################################
+.test_instance_failure_permitted:
+  <<: *test_instance
+  allow_failure: true
+
 ###############################################################################
 # `test` stage: each instance below uses the `test` template above
 ###############################################################################
@@ -128,6 +135,7 @@ rubocop:
 # default-debian-9-tiamat-py3: {extends: '.test_instance'}
 # default-ubuntu-2004-tiamat-py3: {extends: '.test_instance'}
 # default-ubuntu-1804-tiamat-py3: {extends: '.test_instance'}
+# default-centos-stream8-tiamat-py3: {extends: '.test_instance_failure_permitted'}
 # default-centos-8-tiamat-py3: {extends: '.test_instance'}
 # default-centos-7-tiamat-py3: {extends: '.test_instance'}
 # default-amazonlinux-2-tiamat-py3: {extends: '.test_instance'}
@@ -140,13 +148,14 @@ default-debian-10-master-py3: {extends: '.test_instance'}
 default-debian-9-master-py3: {extends: '.test_instance'}
 default-ubuntu-2004-master-py3: {extends: '.test_instance'}
 default-ubuntu-1804-master-py3: {extends: '.test_instance'}
+default-centos-stream8-master-py3: {extends: '.test_instance_failure_permitted'}
 default-centos-8-master-py3: {extends: '.test_instance'}
 default-centos-7-master-py3: {extends: '.test_instance'}
 default-fedora-34-master-py3: {extends: '.test_instance'}
 default-fedora-33-master-py3: {extends: '.test_instance'}
 default-opensuse-leap-153-master-py3: {extends: '.test_instance'}
 default-opensuse-leap-152-master-py3: {extends: '.test_instance'}
-default-opensuse-tmbl-latest-master-py3: {extends: '.test_instance'}
+default-opensuse-tmbl-latest-master-py3: {extends: '.test_instance_failure_permitted'}
 default-amazonlinux-2-master-py3: {extends: '.test_instance'}
 default-oraclelinux-8-master-py3: {extends: '.test_instance'}
 default-oraclelinux-7-master-py3: {extends: '.test_instance'}
@@ -155,18 +164,40 @@ default-gentoo-stage3-latest-master-py3: {extends: '.test_instance'}
 default-gentoo-stage3-systemd-master-py3: {extends: '.test_instance'}
 default-almalinux-8-master-py3: {extends: '.test_instance'}
 default-rockylinux-8-master-py3: {extends: '.test_instance'}
+# default-debian-11-3004-0-py3: {extends: '.test_instance'}
+# default-debian-10-3004-0-py3: {extends: '.test_instance'}
+# default-debian-9-3004-0-py3: {extends: '.test_instance'}
+# default-ubuntu-2004-3004-0-py3: {extends: '.test_instance'}
+# default-ubuntu-1804-3004-0-py3: {extends: '.test_instance'}
+# default-centos-stream8-3004-0-py3: {extends: '.test_instance_failure_permitted'}
+# default-centos-8-3004-0-py3: {extends: '.test_instance'}
+# default-centos-7-3004-0-py3: {extends: '.test_instance'}
+# default-fedora-34-3004-0-py3: {extends: '.test_instance'}
+# default-fedora-33-3004-0-py3: {extends: '.test_instance'}
+# default-opensuse-leap-153-3004-0-py3: {extends: '.test_instance'}
+# default-opensuse-leap-152-3004-0-py3: {extends: '.test_instance'}
+# default-opensuse-tmbl-latest-3004-0-py3: {extends: '.test_instance_failure_permitted'}
+# default-amazonlinux-2-3004-0-py3: {extends: '.test_instance'}
+# default-oraclelinux-8-3004-0-py3: {extends: '.test_instance'}
+# default-oraclelinux-7-3004-0-py3: {extends: '.test_instance'}
+# default-arch-base-latest-3004-0-py3: {extends: '.test_instance'}
+# default-gentoo-stage3-latest-3004-0-py3: {extends: '.test_instance'}
+# default-gentoo-stage3-systemd-3004-0-py3: {extends: '.test_instance'}
+# default-almalinux-8-3004-0-py3: {extends: '.test_instance'}
+# default-rockylinux-8-3004-0-py3: {extends: '.test_instance'}
 # default-debian-11-3003-3-py3: {extends: '.test_instance'}
 # default-debian-10-3003-3-py3: {extends: '.test_instance'}
 # default-debian-9-3003-3-py3: {extends: '.test_instance'}
 # default-ubuntu-2004-3003-3-py3: {extends: '.test_instance'}
 # default-ubuntu-1804-3003-3-py3: {extends: '.test_instance'}
+# default-centos-stream8-3003-3-py3: {extends: '.test_instance_failure_permitted'}
 # default-centos-8-3003-3-py3: {extends: '.test_instance'}
 # default-centos-7-3003-3-py3: {extends: '.test_instance'}
 # default-fedora-34-3003-3-py3: {extends: '.test_instance'}
 # default-fedora-33-3003-3-py3: {extends: '.test_instance'}
 # default-opensuse-leap-153-3003-3-py3: {extends: '.test_instance'}
 # default-opensuse-leap-152-3003-3-py3: {extends: '.test_instance'}
-# default-opensuse-tmbl-latest-3003-3-py3: {extends: '.test_instance'}
+# default-opensuse-tmbl-latest-3003-3-py3: {extends: '.test_instance_failure_permitted'}
 # default-amazonlinux-2-3003-3-py3: {extends: '.test_instance'}
 # default-oraclelinux-8-3003-3-py3: {extends: '.test_instance'}
 # default-oraclelinux-7-3003-3-py3: {extends: '.test_instance'}
@@ -185,7 +216,7 @@ default-rockylinux-8-master-py3: {extends: '.test_instance'}
 # default-fedora-33-3002-7-py3: {extends: '.test_instance'}
 # default-opensuse-leap-153-3002-7-py3: {extends: '.test_instance'}
 # default-opensuse-leap-152-3002-7-py3: {extends: '.test_instance'}
-# default-opensuse-tmbl-latest-3002-7-py3: {extends: '.test_instance'}
+# default-opensuse-tmbl-latest-3002-7-py3: {extends: '.test_instance_failure_permitted'}
 # default-amazonlinux-2-3002-7-py3: {extends: '.test_instance'}
 # default-oraclelinux-8-3002-7-py3: {extends: '.test_instance'}
 # default-oraclelinux-7-3002-7-py3: {extends: '.test_instance'}
@@ -202,7 +233,7 @@ default-rockylinux-8-master-py3: {extends: '.test_instance'}
 # default-fedora-33-3001-8-py3: {extends: '.test_instance'}
 # default-opensuse-leap-153-3001-8-py3: {extends: '.test_instance'}
 # default-opensuse-leap-152-3001-8-py3: {extends: '.test_instance'}
-# default-opensuse-tmbl-latest-3001-8-py3: {extends: '.test_instance'}
+# default-opensuse-tmbl-latest-3001-8-py3: {extends: '.test_instance_failure_permitted'}
 # default-amazonlinux-2-3001-8-py3: {extends: '.test_instance'}
 # default-oraclelinux-8-3001-8-py3: {extends: '.test_instance'}
 # default-oraclelinux-7-3001-8-py3: {extends: '.test_instance'}
diff --git a/.travis.yml b/.travis.yml
index 9a916e2..6df4b7f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -88,6 +88,7 @@ jobs:
     # - env: INSTANCE=default-debian-9-tiamat-py3
     # - env: INSTANCE=default-ubuntu-2004-tiamat-py3
     # - env: INSTANCE=default-ubuntu-1804-tiamat-py3
+    # - env: INSTANCE=default-centos-stream8-tiamat-py3
     # - env: INSTANCE=default-centos-8-tiamat-py3
     # - env: INSTANCE=default-centos-7-tiamat-py3
     # - env: INSTANCE=default-amazonlinux-2-tiamat-py3
@@ -100,6 +101,7 @@ jobs:
     - env: INSTANCE=default-debian-9-master-py3
     - env: INSTANCE=default-ubuntu-2004-master-py3
     - env: INSTANCE=default-ubuntu-1804-master-py3
+    - env: INSTANCE=default-centos-stream8-master-py3
     - env: INSTANCE=default-centos-8-master-py3
     - env: INSTANCE=default-centos-7-master-py3
     - env: INSTANCE=default-fedora-34-master-py3
@@ -115,11 +117,33 @@ jobs:
     - env: INSTANCE=default-gentoo-stage3-systemd-master-py3
     - env: INSTANCE=default-almalinux-8-master-py3
     - env: INSTANCE=default-rockylinux-8-master-py3
+    # - env: INSTANCE=default-debian-11-3004-0-py3
+    # - env: INSTANCE=default-debian-10-3004-0-py3
+    # - env: INSTANCE=default-debian-9-3004-0-py3
+    # - env: INSTANCE=default-ubuntu-2004-3004-0-py3
+    # - env: INSTANCE=default-ubuntu-1804-3004-0-py3
+    # - env: INSTANCE=default-centos-stream8-3004-0-py3
+    # - env: INSTANCE=default-centos-8-3004-0-py3
+    # - env: INSTANCE=default-centos-7-3004-0-py3
+    # - env: INSTANCE=default-fedora-34-3004-0-py3
+    # - env: INSTANCE=default-fedora-33-3004-0-py3
+    # - env: INSTANCE=default-opensuse-leap-153-3004-0-py3
+    # - env: INSTANCE=default-opensuse-leap-152-3004-0-py3
+    # - env: INSTANCE=default-opensuse-tmbl-latest-3004-0-py3
+    # - env: INSTANCE=default-amazonlinux-2-3004-0-py3
+    # - env: INSTANCE=default-oraclelinux-8-3004-0-py3
+    # - env: INSTANCE=default-oraclelinux-7-3004-0-py3
+    # - env: INSTANCE=default-arch-base-latest-3004-0-py3
+    # - env: INSTANCE=default-gentoo-stage3-latest-3004-0-py3
+    # - env: INSTANCE=default-gentoo-stage3-systemd-3004-0-py3
+    # - env: INSTANCE=default-almalinux-8-3004-0-py3
+    # - env: INSTANCE=default-rockylinux-8-3004-0-py3
     # - env: INSTANCE=default-debian-11-3003-3-py3
     # - env: INSTANCE=default-debian-10-3003-3-py3
     # - env: INSTANCE=default-debian-9-3003-3-py3
     # - env: INSTANCE=default-ubuntu-2004-3003-3-py3
     # - env: INSTANCE=default-ubuntu-1804-3003-3-py3
+    # - env: INSTANCE=default-centos-stream8-3003-3-py3
     # - env: INSTANCE=default-centos-8-3003-3-py3
     # - env: INSTANCE=default-centos-7-3003-3-py3
     # - env: INSTANCE=default-fedora-34-3003-3-py3
diff --git a/CODEOWNERS b/CODEOWNERS
index 4ed2eb9..fd11123 100644
--- a/CODEOWNERS
+++ b/CODEOWNERS
@@ -26,6 +26,7 @@
 /test/integration/**/libraries/system.rb    @saltstack-formulas/ssf
 /test/integration/**/inspec.yml             @saltstack-formulas/ssf
 /test/integration/**/README.md              @saltstack-formulas/ssf
+/test/salt/pillar/top.sls                   @saltstack-formulas/ssf
 /.gitignore                                 @saltstack-formulas/ssf
 /.cirrus.yml                                @saltstack-formulas/ssf
 /.gitlab-ci.yml                             @saltstack-formulas/ssf
diff --git a/kitchen.yml b/kitchen.yml
index ee8f26e..2273dbf 100644
--- a/kitchen.yml
+++ b/kitchen.yml
@@ -40,6 +40,9 @@ platforms:
     driver:
       image: saltimages/salt-tiamat-py3:ubuntu-18.04
       run_command: /lib/systemd/systemd
+  - name: centos-stream8-tiamat-py3
+    driver:
+      image: saltimages/salt-tiamat-py3:centos-stream8
   - name: centos-8-tiamat-py3
     driver:
       image: saltimages/salt-tiamat-py3:centos-8
@@ -83,6 +86,9 @@ platforms:
     driver:
       image: saltimages/salt-master-py3:ubuntu-18.04
       run_command: /lib/systemd/systemd
+  - name: centos-stream8-master-py3
+    driver:
+      image: saltimages/salt-master-py3:centos-stream8
   - name: centos-8-master-py3
     driver:
       image: saltimages/salt-master-py3:centos-8
@@ -142,6 +148,89 @@ platforms:
     driver:
       image: saltimages/salt-master-py3:rockylinux-8
 
+  ## SALT `3004.0`
+  - name: debian-11-3004-0-py3
+    driver:
+      image: saltimages/salt-3004.0-py3:debian-11
+      run_command: /lib/systemd/systemd
+  - name: debian-10-3004-0-py3
+    driver:
+      image: saltimages/salt-3004.0-py3:debian-10
+      run_command: /lib/systemd/systemd
+  - name: debian-9-3004-0-py3
+    driver:
+      image: saltimages/salt-3004.0-py3:debian-9
+      run_command: /lib/systemd/systemd
+  - name: ubuntu-2004-3004-0-py3
+    driver:
+      image: saltimages/salt-3004.0-py3:ubuntu-20.04
+      run_command: /lib/systemd/systemd
+  - name: ubuntu-1804-3004-0-py3
+    driver:
+      image: saltimages/salt-3004.0-py3:ubuntu-18.04
+      run_command: /lib/systemd/systemd
+  - name: centos-stream8-3004-0-py3
+    driver:
+      image: saltimages/salt-3004.0-py3:centos-stream8
+  - name: centos-8-3004-0-py3
+    driver:
+      image: saltimages/salt-3004.0-py3:centos-8
+  - name: centos-7-3004-0-py3
+    driver:
+      image: saltimages/salt-3004.0-py3:centos-7
+  - name: fedora-34-3004-0-py3
+    driver:
+      image: saltimages/salt-3004.0-py3:fedora-34
+  - name: fedora-33-3004-0-py3
+    driver:
+      image: saltimages/salt-3004.0-py3:fedora-33
+  - name: opensuse-leap-153-3004-0-py3
+    driver:
+      image: saltimages/salt-3004.0-py3:opensuse-leap-15.3
+    # Workaround to avoid intermittent failures on `opensuse-leap-15.3`:
+    # => SCP did not finish successfully (255):  (Net::SCP::Error)
+    transport:
+      max_ssh_sessions: 1
+  - name: opensuse-leap-152-3004-0-py3
+    driver:
+      image: saltimages/salt-3004.0-py3:opensuse-leap-15.2
+    # Workaround to avoid intermittent failures on `opensuse-leap-15.2`:
+    # => SCP did not finish successfully (255):  (Net::SCP::Error)
+    transport:
+      max_ssh_sessions: 1
+  - name: opensuse-tmbl-latest-3004-0-py3
+    driver:
+      image: saltimages/salt-3004.0-py3:opensuse-tumbleweed-latest
+    # Workaround to avoid intermittent failures on `opensuse-tumbleweed`:
+    # => SCP did not finish successfully (255):  (Net::SCP::Error)
+    transport:
+      max_ssh_sessions: 1
+  - name: amazonlinux-2-3004-0-py3
+    driver:
+      image: saltimages/salt-3004.0-py3:amazonlinux-2
+  - name: oraclelinux-8-3004-0-py3
+    driver:
+      image: saltimages/salt-3004.0-py3:oraclelinux-8
+  - name: oraclelinux-7-3004-0-py3
+    driver:
+      image: saltimages/salt-3004.0-py3:oraclelinux-7
+  - name: arch-base-latest-3004-0-py3
+    driver:
+      image: saltimages/salt-3004.0-py3:arch-base-latest
+  - name: gentoo-stage3-latest-3004-0-py3
+    driver:
+      image: saltimages/salt-3004.0-py3:gentoo-stage3-latest
+      run_command: /sbin/init
+  - name: gentoo-stage3-systemd-3004-0-py3
+    driver:
+      image: saltimages/salt-3004.0-py3:gentoo-stage3-systemd
+  - name: almalinux-8-3004-0-py3
+    driver:
+      image: saltimages/salt-3004.0-py3:almalinux-8
+  - name: rockylinux-8-3004-0-py3
+    driver:
+      image: saltimages/salt-3004.0-py3:rockylinux-8
+
   ## SALT `3003.3`
   - name: debian-11-3003-3-py3
     driver:
@@ -163,6 +252,9 @@ platforms:
     driver:
       image: saltimages/salt-3003.3-py3:ubuntu-18.04
       run_command: /lib/systemd/systemd
+  - name: centos-stream8-3003-3-py3
+    driver:
+      image: saltimages/salt-3003.3-py3:centos-stream8
   - name: centos-8-3003-3-py3
     driver:
       image: saltimages/salt-3003.3-py3:centos-8