The current version of util-linux (util-linux-2.40-0.8.rc1.el10) that is inside the snapshots prevent openvswitch to start.

The fix is included in all the packages after 2.40-0.8.rc1, so please update it asap on last cs10 and rhel-10 snapshots or QE can't test openvswitch on rhel 10 at all.

[root@wsfd-netdev17 ~]# /usr/share/openvswitch/scripts/ovs-ctl --no-ovs-vswitchd --no-monitor --system-id=random --ovs-user=openvswitch:hugetlbfs start
setpriv: landlock_create_ruleset failed: Function not implemented
/etc/openvswitch/conf.db does not exist ... (warning).
setpriv: landlock_create_ruleset failed: Function not implemented
Creating empty database /etc/openvswitch/conf.db ... failed!
[root@wsfd-netdev17 ~]#

[root@wsfd-netdev17 ~]# setpriv --reuid 978 --regid 977 --groups 977,976 ovsdb-tool -vconsole:off create /etc/openvswitch/conf.db /usr/share/openvswitch/vswitch.ovsschema
setpriv: landlock_create_ruleset failed: Function not implemented
[root@wsfd-netdev17 ~]#