You appear to have a system that had all i386 packages, but then you recently tried to install all amd64 packages, is that correct? Your dpkg log shows the final entry trying to install systemd:amd64, which then removes systemd:i386.
You appear to have a system that had all i386 packages, but then you recently tried to install all amd64 packages, is that correct? Your dpkg log shows the final entry trying to install systemd:amd64, which then removes systemd:i386.