Proxmox 7 + Intel X540 bridge working in truenas, failing in Windows Server

[nighty2k7]

Hi there,

just set up a Proxmox instance on a DELL R720 with a friend, and everything is up and running in truenas:

Truenas
* Connect one bridge interface of the Intel 350p
* Connect one bridge interface of the Intel X540
* Connect LSI Raid via Passthrough

Both interfaces working just fine



We also set up a instance of Windows Server 2016:
* Connect same bridge interface of the Intel 350p
* Connect same bridge interface of the Intel X540

Both interfaces are shown in device manager, but only the 350p interface is shown as network adapter in Windows
We tried using E1000 and VirtIO to get the bridge interface running, always the same: shows up in device manager, missing as adapter

Any clues?

Thanks!