Latest Update 5.13.19-4-pve broke my QEMU PCIe Sharing. Works with 5.13.19-3

Hello,
Any steps or instructions to update to 5.15?

Below steps doesn't work for me, as the 'apt' is not able to find the kernel version.

apt update
apt install pve-kernel-5.15
This (upgrading to a new kernel to make USB passthrough work again) also worked for me, thanks!
 
after trying several kernels I figured out that em28xx also breaks everything, after blacklisting the module everything works fine again.
have you considered blacklisting the module?