How to make virtual machines in Hyper-V not see each other and the entire network at the same time?

Question

Hyper-V

Good afternoon, ladies and gentlemen. Such a problem. We have Win Srv 2008R2 with Hyper-V screwed on. It raised 2 virtual machines with the same Win Srv 2008R2. All this business works on one setevukha. Forwarding the Internet to the VM from the same one network card. The essence of the problem is in the title of the question, how to make VMs not see anyone on the network