I updated to Proxmox 8.
However it seems that the kernel is not updated.
pve-manager/8.0.3/xxxxxxxxxxxxxxxx (running kernel: 5.15.39-3-pve-guest-fpu)
WARN: a suitable kernel (pve-kernel-6.2) is intalled, but an unsuitable (5.15.39-3-pve-guest-fpu) is booted, missing reboot?!
The Proxmox boot...