@nikmagashi
I usually get another member of the team to do the VM stuff, so in this forum, you would be much better off asking @PhilipDAth or @BrechtSchamp for guidance.
I have come across the issue of devices on VLAN xx "seeing" devices on VLAN yy previously, on various manufacturers' kit. One is usually assured it doesn't matter. In the real world, I have stopped it occurring by ensuring that the underlying LAN is not the same for both VLANs. I don't know if that is an option, in the circumstances you describe.