OpenVPN HA cluster problem

How to achieve openvpn cluster? Somebody did it?

I have two vyos servers with working cluster services (VIP) and configured (and working) openvpn service, but it’s looks like “cluster group … service openvpn” directive is not working for openvpn.
Openvpn has been launched on both servers at once.

In some cases this is not a problem but I want to attach openvpn to specific ip address (not primary) and when ip address is on another server (VIP) I have error during commit of new config changes. Openvpn is trying to (re)start and report missing ip address on network interfaces.