Package: systemd Version: 242-2 Severity: minor # aptitude search ~o i libip4tc0 - netfilter libip4tc library # aptitude purge libip4tc0 ... The following packages have unmet dependencies: systemd : Depends: libip4tc0 (>= 1.6.0+snapshot20161117) but it is not going to be installed
You are depending on a package that doesn't exist. No matter in sid or in experimental.