diff --git a/etc/kayobe/environments/aufn-ceph/tenks.yml b/etc/kayobe/environments/aufn-ceph/tenks.yml
index 9b0e9e9f4..25eac0374 100644
--- a/etc/kayobe/environments/aufn-ceph/tenks.yml
+++ b/etc/kayobe/environments/aufn-ceph/tenks.yml
@@ -87,3 +87,9 @@ bridge_type: linuxbridge
 
 # No placement service.
 wait_for_placement: false
+
+# 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