Random Proxmox Connectivity Issues (GUI+SSH) + Guest Downtime After Fix

Hi everyone,

I’m facing a strange and frustrating issue with my Proxmox setup and could really use some help. Here’s the situation:

• Randomly, Proxmox becomes unreachable via web GUI or SSH, but all the guests are still running and reachable without any issues.
• When this happens, my only “solution” is to blindly type systemctl restart networking (I plug in a USB keyboard since I don’t have a monitor connected). After that, I regain access to the Proxmox web UI and SSH...

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