Preparing to unpack .../0-lxd_1%3a0.9_all.deb ... Warning: Stopping lxd.service, but it can still be activated by: lxd.socket => Installing the LXD snap ==> Checking connectivity with the snap store [?1049h[?25l                               Package configuration┌──────────────────────────────────────────┤ Configuring lxd ├───────────────────────────────────────────┐│ The LXD project puts out monthly feature releases which while backward compatible at an API and CLI │ │ level, will contain some behavior change and potentially require manual intervention during an │ │ upgra de. │ │ │ │ In addition to those, every 2 years a LTS release is made which comes with 5 years of support through │ │ frequent bugfix-only releases. │ │ │ │ The LXD team recommends you pick "4.0" for production environments and use "latest" if you're │ │ interested in getting the latest LXD features. │ │ │ │ LXD snap track │ │ │ │ latest │ │ 3.0 │ │ 4.0  │ │ │ │ │ │ │ │ │ └────────────────────────────────────────────────────────────────────────────────────────────────────────┘  [?25h [?1049l==> Installing the LXD snap from the 4.0 track for ubuntu-20.04 error: system does not fully support snapd: cannot mount squashfs image using "squashfs": mount: /tmp/sanity-mountpoint-913738666: mount failed: Operation not permitted. dpkg: error processing archive /tmp/apt-dpkg-install-GbiupN/0-lxd_1%3a0.9_all.deb (--unpack): new lxd package pre-installation script subprocess returned error exit status 1