What's even more curious is that in 15.10 systemd already depends on libgcrypt20, and 15.10 already has a new enough version, so I don't see an obvious reason why it should disappear during that part of the upgrade.
What's even more curious is that in 15.10 systemd already depends on libgcrypt20, and 15.10 already has a new enough version, so I don't see an obvious reason why it should disappear during that part of the upgrade.