I see the same problem while trying to upgrade to ubuntu 18.04. The upgrade seems stuck after the line Processing triggers for resolvconf (1.79ubuntu10) ...
-- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to resolvconf in Ubuntu. https://bugs.launchpad.net/bugs/1782274 Title: resolvconf package needs dependency on ifupdown Status in resolvconf package in Ubuntu: Confirmed Bug description: When I install resolvconf on a minimal install of Ubuntu 18.04 (bionic), I see this: # apt-get install resolvconf Reading package lists... Done Building dependency tree Reading state information... Done The following NEW packages will be installed: resolvconf 0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded. Need to get 0 B/48.2 kB of archives. After this operation, 187 kB of additional disk space will be used. Preconfiguring packages ... /tmp/resolvconf.config.XleExb: 13: /tmp/resolvconf.config.XleExb: ifquery: not found /tmp/resolvconf.config.XleExb: 13: /tmp/resolvconf.config.XleExb: ifquery: not found Selecting previously unselected package resolvconf. (Reading database ... 90542 files and directories currently installed.) Preparing to unpack .../resolvconf_1.79ubuntu10_all.deb ... Unpacking resolvconf (1.79ubuntu10) ... Processing triggers for ureadahead (0.100.0-20) ... Processing triggers for systemd (237-3ubuntu10) ... Processing triggers for man-db (2.8.3-2) ... Setting up resolvconf (1.79ubuntu10) ... /var/lib/dpkg/info/resolvconf.config: 13: /var/lib/dpkg/info/resolvconf.config: ifquery: not found /var/lib/dpkg/info/resolvconf.config: 13: /var/lib/dpkg/info/resolvconf.config: ifquery: not found Created symlink /etc/systemd/system/sysinit.target.wants/resolvconf.service → /lib/systemd/system/resolvconf.service. Created symlink /etc/systemd/system/systemd-resolved.service.wants/resolvconf-pull-resolved.path → /lib/systemd/system/resolvconf-pull-resolved.path. resolvconf-pull-resolved.service is a disabled or a static unit, not starting it. resolvconf-pull-resolved.service is a disabled or a static unit, not starting it. Processing triggers for systemd (237-3ubuntu10) ... Processing triggers for ureadahead (0.100.0-20) ... Processing triggers for resolvconf (1.79ubuntu10) ... The "ifquery" program is provided by the ifupdown package. Therefore, resolvconf needs to include ifupdown in its Depends: clause. (Currently, ifupdown is mentioned in Enhances:) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/resolvconf/+bug/1782274/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp