(PureOS Amber)
Processing triggers for initramfs-tools (0.132pureos1) ... update-initramfs: Generating /boot/initrd.img-4.19.0-9-amd64 cryptsetup: WARNING: The initramfs image may not contain cryptsetup binaries nor crypto modules. If that's on purpose, you may want to uninstall the 'cryptsetup-initramfs' package in order to disable the cryptsetup initramfs integration and avoid this warning. Processing triggers for libc-bin (2.28-10) ...