diff --git a/classes/cluster/os-ha-contrail-40/openstack/compute.yml b/classes/cluster/os-ha-contrail-40/openstack/compute.yml
index fa0fade..c97db35 100644
--- a/classes/cluster/os-ha-contrail-40/openstack/compute.yml
+++ b/classes/cluster/os-ha-contrail-40/openstack/compute.yml
@@ -25,6 +25,12 @@
     opencontrail_compute_iface: ens4
     linux_system_codename: xenial
   linux:
+    system:
+      autoupdates:
+        enabled: false
+      package:
+        apport: # fix conflict with contrail-vrouter-agent explicitly
+          version: purged
     network:
       concat_iface_files:
       - src: '/etc/network/interfaces.d/50-cloud-init.cfg'