diff --git a/devstack/lib/ironic b/devstack/lib/ironic
index db3fb5b61b..de5c227045 100644
--- a/devstack/lib/ironic
+++ b/devstack/lib/ironic
@@ -3349,6 +3349,18 @@ function setup_vxlan_network {
     sudo ovs-vsctl set interface phy-brbm-infra options:peer=phy-infra-brbm
 }
 
+function downgrade_dnsmasq {
+    # NOTE(TheJulia): The intent here is to downgrade dnsmasq to the version
+    # shipped with Ubuntu focal, so we can have stable CI.
+    # https://bugs.launchpad.net/ubuntu/+source/dnsmasq/+bug/2026757
+    wget http://archive.ubuntu.com/ubuntu/pool/main/d/dnsmasq/dnsmasq-base_2.80-1.1ubuntu1.7_amd64.deb
+    wget http://archive.ubuntu.com/ubuntu/pool/main/libi/libidn/libidn11_1.33-2.2ubuntu2_amd64.deb
+    wget http://archive.ubuntu.com/ubuntu/pool/main/n/nettle/libhogweed5_3.5.1+really3.5.1-2ubuntu0.2_amd64.deb
+    wget http://archive.ubuntu.com/ubuntu/pool/main/n/nettle/libnettle7_3.5.1+really3.5.1-2ubuntu0.2_amd64.deb
+    sudo dpkg -i dnsmasq-base_2.80-1.1ubuntu1.7_amd64.deb libidn11_1.33-2.2ubuntu2_amd64.deb libhogweed5_3.5.1+really3.5.1-2ubuntu0.2_amd64.deb  libnettle7_3.5.1+really3.5.1-2ubuntu0.2_amd64.deb || true
+    rm *.deb
+}
+
 # Restore xtrace + pipefail
 $_XTRACE_IRONIC
 $_PIPEFAIL_IRONIC
diff --git a/devstack/plugin.sh b/devstack/plugin.sh
index 306569f514..b85b5bdfd8 100644
--- a/devstack/plugin.sh
+++ b/devstack/plugin.sh
@@ -21,6 +21,7 @@ if is_service_enabled ir-api ir-cond; then
             install_ironic
             install_ironicclient
             cleanup_ironic_config_files
+            downgrade_dnsmasq
 
         elif [[ "$2" == "post-config" ]]; then
         # stack/post-config - Called after the layer 1 and 2 services have been
diff --git a/zuul.d/ironic-jobs.yaml b/zuul.d/ironic-jobs.yaml
index 337261b012..f084e8ddcb 100644
--- a/zuul.d/ironic-jobs.yaml
+++ b/zuul.d/ironic-jobs.yaml
@@ -106,7 +106,6 @@
       Test ironic standalone configured with ipmi hardware type, ramdisk and
       direct deploy interfaces, rescue enabled.
     parent: ironic-base
-    nodeset: openstack-single-node-focal
     irrelevant-files:
       - ^.*\.rst$
       - ^api-ref/.*$
@@ -160,7 +159,6 @@
 - job:
     name: ironic-standalone-redfish
     parent: ironic-base
-    nodeset: openstack-single-node-focal
     description:
       Test ironic standalone configured with redfish hardware type, ansible and
       direct and ansible deploy interfaces, rescue it's not enabled.