Control: found -1 1.12.1-6 Control: notfound -1 1.12.1-3 (I expected apt-listbugs to warn me about this, but it doesn't. I assume it's because I already have the 'found' version. Let me try marking as notfound in testing and found in unstable versions, so it hopefully warns others.)
> Preparing to unpack .../012-netavark_1.12.1-6_amd64.deb ... > Unpacking netavark (1.12.1-6) over (1.12.1-3) ... > dpkg: error processing archive > /tmp/apt-dpkg-install-6fPLtQ/012-netavark_1.12.1-6_amd64.deb (--unpack): > unable to install new version of '/lib/systemd/system': Is a directory Looks like a /lib -> /usr/lib substitution was missed in the rules file: https://salsa.debian.org/debian/netavark/-/blob/debian/sid/debian/rules?ref_type=heads#L17