apt upgrade fail

Hallo,

when i start 'apt upgrade' i get following message:

initramfs-tools (0.142+deb12u1) wird eingerichtet ...
update-initramfs: deferring update (trigger activated)
proxmox-kernel-6.8.8-4-pve-signed (6.8.8-4) wird eingerichtet ...
Examining /etc/kernel/postinst.d.
run-parts: executing /etc/kernel/postinst.d/initramfs-tools 6.8.8-4-pve /boot/vmlinuz-6.8.8-4-pve
update-initramfs: Generating /boot/initrd.img-6.8.8-4-pve
Running hook script 'zz-proxmox-boot'..
Re-executing...

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