sudo apt-clone clone /backup not installable:

[tangpan100]

version mismatch: libnvidia-compute-535-server, nvidia-driver-535-server-open, linux-modules-nvidia-535-server-open-generic, libnvidia-extra-535-server, nvidia-kernel-source-535-server-open, xserver-xorg-video-nvidia-535-server, libnvidia-decode-535-server, nvidia-utils-535-server, libnvidia-gl-535-server, libnvidia-fbc1-535-server, libnvidia-encode-535-server, nvidia-kernel-common-535-server, nvidia-compute-utils-535-server, libnvidia-cfg1-535-server, linux-modules-nvidia-535-server-open-5.4.0-166-generic

Note that you can use --with-dpkg-repack to include those packges in the clone file.

What does this mean and how should it be handled