[Bug 2039268] Re: When upgrading to Mantic, it fails to install snap firmware-updater

[Ubuntu Foundations Team Bug Bot]

** Tags added: patch

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https://bugs.launchpad.net/bugs/2039268

Title:
  When upgrading to Mantic, it fails to install snap firmware-updater

Status in snapd package in Ubuntu:
  Fix Committed
Status in ubuntu-release-upgrader package in Ubuntu:
  Confirmed

Bug description:
  While upgrading to Mantic the following message is reported:

  installing snap firmware-updater
  error: cannot perform the following tasks:
  - Automatically connect eligible plugs and slots of snap "firmware-updater" (internal error: auto-connect of &{"firmware-updater:desktop-legacy" "snapd:desktop-legacy"} failed: snap "snapd" has no slot named "desktop-legacy")

  Steps to reproduce the culprit snap.mount:

  $ lxc launch ubuntu:lunar lp-2039268
  Creating lp-2039268
  Starting lp-2039268
  $ lxc exec lp-2039268 bash
  # sed -i -e's/lunar/mantic/' /etc/apt/sources.list && apt update && apt install -y systemd
  # ls -l /run/systemd/generator/snap.mount
  -rw-r--r-- 1 root root 274 Oct 18 05:49 /run/systemd/generator/snap.mount

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