WIP: [ML2/OVS] Use nftables instead of legacy iptables

Author: jovial

etc/kayobe/stackhpc.yml

@@ -210,7 +210,7 @@ stackhpc_repo_rhel10_doca_version: "{{ stackhpc_repo_distribution }}"
 
 # Kolla source repository.
 stackhpc_kolla_source_url: "https://github.com/stackhpc/kolla"
-stackhpc_kolla_source_version: stackhpc/20.3.0.9
+stackhpc_kolla_source_version: bugfix/2025.1/nftables
 
 # Kolla Ansible source repository.
 stackhpc_kolla_ansible_source_url: "https://github.com/stackhpc/kolla-ansible"