Remove 'binfmt-support' package and tried upgrade again. Slightly different error message from 'systemctl status libvirt-bin.service' this time with addition of a 'NOTCONFIGURED' message:
Jun 27 22:57:22 lydia systemd[1]: libvirt-bin.service: Main process exited, code=exited, status=6/NOTCONFIGURED Jun 27 22:57:22 lydia systemd[1]: Failed to start Virtualization daemon. Jun 27 22:57:22 lydia systemd[1]: libvirt-bin.service: Unit entered failed state. Jun 27 22:57:22 lydia systemd[1]: libvirt-bin.service: Failed with result 'exit-code'. Jun 27 22:57:22 lydia systemd[1]: libvirt-bin.service: Service hold-off time over, scheduling restart. Jun 27 22:57:22 lydia systemd[1]: Stopped Virtualization daemon. Jun 27 22:57:22 lydia systemd[1]: libvirt-bin.service: Start request repeated too quickly. Jun 27 22:57:22 lydia systemd[1]: Failed to start Virtualization daemon. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1594902 Title: Failed to upgrade to libvirt-bin 1.3.1-1ubuntu10.1 on Ubuntu 16.04 64-bit To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/1594902/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs