Public bug reported: In Xenial -proposed, bind9-host 9.10.3.dfsg.P2-3~ubuntu1 depends on bind9. It wasn't the case with version 9.9.5.dfsg-12.1ubuntu1 and I believe the old behavior is better.
Here is the apt history.log: Start-Date: 2016-02-17 16:08:47 Commandline: apt-get --assume-yes dist-upgrade Requested-By: aptdater (119) Install: libisccfg140:amd64 (9.10.3.dfsg.P2-3~build3, automatic), libirs141:amd64 (9.10.3.dfsg.P2-3~build3, automatic), libisc160:amd64 (9.10.3.dfsg.P2-3~build3, automatic), bind9utils:amd64 (9.10.3.dfsg.P2-3~build3, automatic), liblwres141:amd64 (9.10.3.dfsg.P2-3~build3, automatic), bind9:amd64 (9.10.3.dfsg.P2-3~build3, automatic), libdns162:amd64 (9.10.3.dfsg.P2-3~build3, automatic), libisccc140:amd64 (9.10.3.dfsg.P2-3~build3, automatic), libbind9-140:amd64 (9.10.3.dfsg.P2-3~build3, automatic) Upgrade: bind9-host:amd64 (9.9.5.dfsg-12.1ubuntu1, 9.10.3.dfsg.P2-3~build3), dnsutils:amd64 (9.9.5.dfsg-12.1ubuntu1, 9.10.3.dfsg.P2-3~build3) End-Date: 2016-02-17 16:08:59 $ lsb_release -rd Description: Ubuntu Xenial Xerus (development branch) Release: 16.04 ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: bind9-host 1:9.10.3.dfsg.P2-3~ubuntu1 ProcVersionSignature: Ubuntu 4.4.0-6.21-generic 4.4.1 Uname: Linux 4.4.0-6-generic x86_64 NonfreeKernelModules: zfs zunicode zcommon znvpair zavl ApportVersion: 2.20-0ubuntu3 Architecture: amd64 CurrentDesktop: Unity Date: Thu Feb 18 09:52:39 2016 SourcePackage: bind9 UpgradeStatus: No upgrade log present (probably fresh install) ** Affects: bind9 (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug package-from-proposed xenial -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1547052 Title: bind9-host 9.10.X should not depend on bind9 (named) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bind9/+bug/1547052/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs