diff --git a/tests/roles/bootstrap-host/tasks/prepare_networking.yml b/tests/roles/bootstrap-host/tasks/prepare_networking.yml
index 45eed7340b..f0b2ec433f 100644
--- a/tests/roles/bootstrap-host/tasks/prepare_networking.yml
+++ b/tests/roles/bootstrap-host/tasks/prepare_networking.yml
@@ -18,6 +18,7 @@
     name: systemd_networkd
     private: true
   vars:
+    systemd_networkd_prefix: "osa_testing"
     systemd_interface_cleanup: true
     systemd_run_networkd: true
     systemd_netdevs: