I google for a way t find why I was getting no response from webGUI and used this:
systemctl status pve-cluster pveproxy pvedaemon
The out come was:
Linux TNSR 5.13.19-3-pve #1 SMP PVE 5.13.19-7 (Thu, 20 Jan 2022 16:37:56 +0100) x86_64
The programs included with the Debian GNU/Linux...
When starting a VM where a usb drive is connected via a passthrough USB the VM does not start and what comes in the console is
and does not start but also removes the divice from proxmox VE. This seem to be a problem when proxmox VE is updated to 7.1-10, at lest this was in my case.