Proxmox 5.2 no NAT option

[droide]

Hi,
Since the proxmox is upgraded on v5.2, the NAT option has disappeared...
Proxmox VE 5.1 :
framapic.org/75DAPZmyMSQQ/W0bwIX2AiQkW.png

Proxmox VE 5.2 :
framapic.org/pQQfaGUcGgbD/SuqtldyTXcXH.png

I test with a new host with the proxmox fresh installer proxmox-ve_5.2-1.iso and the problem is present.

What is the solution ?