There seems to be some sort of a kernel race condition at boot that sometimes results in a boot failure. What makes it better is reducing the size of the initrd. Try this:
- Change the line
MODULES=most
toMODULES=dep
in/etc/initramfs-tools/initramfs.conf
- Rebuild the initrd:
update-initramfs -c -k 6.11.0-6-generic
- Reboot into kernel
6.11.0-6-generic