diff --git a/tests/templates/tenks-deploy-config.yml.j2 b/tests/templates/tenks-deploy-config.yml.j2
index cf9ceea00b..8aff89eef4 100644
--- a/tests/templates/tenks-deploy-config.yml.j2
+++ b/tests/templates/tenks-deploy-config.yml.j2
@@ -53,3 +53,10 @@ libvirt_vm_default_console_log_dir: "/var/log/kolla/tenks"
 # Console logs are owned by the ID of the Nova user in the nova_libvirt
 # container.
 libvirt_vm_log_owner: 42436
+
+# NOTE(priteau): Disable libvirt_vm_trust_guest_rx_filters, which when enabled
+# triggers the following errors when booting baremetal instances with Tenks on
+# Libvirt 9: Cannot set interface flags on 'macvtap1': Value too large for
+# defined data type
+libvirt_vm_trust_guest_rx_filters: false
+