diff --git a/.gitlab/cdrouter/arcadyan-mozart.yml b/.gitlab/cdrouter/arcadyan-mozart.yml
index a1effc2f81..ca7ddb0864 100644
--- a/.gitlab/cdrouter/arcadyan-mozart.yml
+++ b/.gitlab/cdrouter/arcadyan-mozart.yml
@@ -58,6 +58,15 @@ CDRouter-UPnP-IPv46 Mozart initramfs:
     DUT_INIT_SCRIPTS: |
       .gitlab/scripts/dut-init/cdrouter-dut-flush-dns-relay-cache.sh
 
+CDRouter-UPnP-IPv46-Failing Mozart initramfs:
+  <<: *arcadyan_mozart_ipv6
+  timeout: 120 minutes
+  allow_failure: true
+  variables:
+    CDROUTER_TEST_CONFIG: generic-ipv6-upnp
+    DUT_INIT_SCRIPTS: |
+      .gitlab/scripts/dut-init/cdrouter-dut-flush-dns-relay-cache.sh
+
 CDRouter-IPv6-Top-100+mDNS Mozart initramfs:
   <<: *arcadyan_mozart_ipv6
   variables:
diff --git a/.gitlab/cdrouter/mxl25641-hdk-6.yml b/.gitlab/cdrouter/mxl25641-hdk-6.yml
index 70d16bb7eb..c5d82304df 100644
--- a/.gitlab/cdrouter/mxl25641-hdk-6.yml
+++ b/.gitlab/cdrouter/mxl25641-hdk-6.yml
@@ -58,6 +58,15 @@ CDRouter-UPnP-IPv46 MXL25641-HDK-6 eMMC:
     DUT_INIT_SCRIPTS: |
       .gitlab/scripts/dut-init/cdrouter-dut-flush-dns-relay-cache.sh
 
+CDRouter-UPnP-IPv46-Failing MXL25641-HDK-6 eMMC:
+  <<: *mxl25641_cdrouter_ipv6
+  timeout: 120 minutes
+  allow_failure: true
+  variables:
+    CDROUTER_TEST_CONFIG: generic-ipv6-upnp
+    DUT_INIT_SCRIPTS: |
+      .gitlab/scripts/dut-init/cdrouter-dut-flush-dns-relay-cache.sh
+
 CDRouter-IPv6-Top-100+mDNS MXL25641-HDK-6 eMMC:
   <<: *mxl25641_cdrouter_ipv6
   variables:
diff --git a/.gitlab/cdrouter/prpl-haze.yml b/.gitlab/cdrouter/prpl-haze.yml
index 564027dff9..88413452a9 100644
--- a/.gitlab/cdrouter/prpl-haze.yml
+++ b/.gitlab/cdrouter/prpl-haze.yml
@@ -60,6 +60,15 @@ CDRouter-UPnP-IPv46 Haze initramfs:
     DUT_INIT_SCRIPTS: |
       .gitlab/scripts/dut-init/cdrouter-dut-flush-dns-relay-cache.sh
 
+CDRouter-UPnP-IPv46-Failing Haze initramfs:
+  <<: *prpl_haze_ipv6
+  timeout: 120 minutes
+  allow_failure: true
+  variables:
+    CDROUTER_TEST_CONFIG: generic-ipv6-upnp
+    DUT_INIT_SCRIPTS: |
+      .gitlab/scripts/dut-init/cdrouter-dut-flush-dns-relay-cache.sh
+
 CDRouter-IPv6-Top-100+mDNS Haze initramfs:
   <<: *prpl_haze_ipv6
   variables:
diff --git a/.gitlab/cdrouter/turris-omnia.yml b/.gitlab/cdrouter/turris-omnia.yml
index 07199ca462..790354874a 100644
--- a/.gitlab/cdrouter/turris-omnia.yml
+++ b/.gitlab/cdrouter/turris-omnia.yml
@@ -60,6 +60,15 @@ CDRouter-UPnP-IPv46 Turris initramfs:
     DUT_INIT_SCRIPTS: |
       .gitlab/scripts/dut-init/cdrouter-dut-flush-dns-relay-cache.sh
 
+CDRouter-UPnP-IPv46-Failing Turris initramfs:
+  <<: *turris_cdrouter_ipv6
+  timeout: 120 minutes
+  allow_failure: true
+  variables:
+    CDROUTER_TEST_CONFIG: generic-ipv6-upnp
+    DUT_INIT_SCRIPTS: |
+      .gitlab/scripts/dut-init/cdrouter-dut-flush-dns-relay-cache.sh
+
 CDRouter-IPv6-Top-100+mDNS Turris initramfs:
   <<: *turris_cdrouter_ipv6
   variables:
diff --git a/.gitlab/cdrouter/urx851-hdk-3.yml b/.gitlab/cdrouter/urx851-hdk-3.yml
index ac857b94af..0096c1f9bb 100644
--- a/.gitlab/cdrouter/urx851-hdk-3.yml
+++ b/.gitlab/cdrouter/urx851-hdk-3.yml
@@ -56,6 +56,15 @@ CDRouter-UPnP-IPv46 URX851-HDK-3 eMMC:
     DUT_INIT_SCRIPTS: |
       .gitlab/scripts/dut-init/cdrouter-dut-flush-dns-relay-cache.sh
 
+CDRouter-UPnP-IPv46-Failing URX851-HDK-3 eMMC:
+  <<: *urx851_cdrouter_ipv6
+  timeout: 120 minutes
+  allow_failure: true
+  variables:
+    CDROUTER_TEST_CONFIG: generic-ipv6-upnp
+    DUT_INIT_SCRIPTS: |
+      .gitlab/scripts/dut-init/cdrouter-dut-flush-dns-relay-cache.sh
+
 CDRouter-IPv6-Top-100+mDNS URX851-HDK-3 eMMC:
   <<: *urx851_cdrouter_ipv6
   variables:
diff --git a/.gitlab/cdrouter/wnc-freedom.yml b/.gitlab/cdrouter/wnc-freedom.yml
index 8b74fc8c01..e3bfa03692 100644
--- a/.gitlab/cdrouter/wnc-freedom.yml
+++ b/.gitlab/cdrouter/wnc-freedom.yml
@@ -58,6 +58,15 @@ CDRouter-UPnP-IPv46 Freedom initramfs:
     DUT_INIT_SCRIPTS: |
       .gitlab/scripts/dut-init/cdrouter-dut-flush-dns-relay-cache.sh
 
+CDRouter-UPnP-IPv46-Failing Freedom initramfs:
+  <<: *wnc_freedom_ipv6
+  timeout: 120 minutes
+  allow_failure: true
+  variables:
+    CDROUTER_TEST_CONFIG: generic-ipv6-upnp
+    DUT_INIT_SCRIPTS: |
+      .gitlab/scripts/dut-init/cdrouter-dut-flush-dns-relay-cache.sh
+
 CDRouter-IPv6-Top-100+mDNS Freedom initramfs:
   <<: *wnc_freedom_ipv6
   variables:
diff --git a/.testbed/cdrouter/packages/CDRouter-UPnP-IPv46-Failing.gz b/.testbed/cdrouter/packages/CDRouter-UPnP-IPv46-Failing.gz
new file mode 100644
index 0000000000..9137900c55
Binary files /dev/null and b/.testbed/cdrouter/packages/CDRouter-UPnP-IPv46-Failing.gz differ