Cannot upgrade LXD container running Postgres from jammy to noble

[Falcon Darkstar Momot]

It's throwing "An unresolvable problem occurred while calculating the upgrade."

The only package installed on this container that is not installed on other containers I've successfully upgraded is this:

postgresql:
  Installed: 14+238
  Candidate: 14+238
  Version table:
 *** 14+238 500
        500 http://archive.ubuntu.com/ubuntu jammy/main amd64 Packages
        100 /var/lib/dpkg/status

ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: ubuntu-release-upgrader-core 1:22.04.19
ProcVersionSignature: Ubuntu 5.15.0-100.110-generic 5.15.143
Uname: Linux 5.15.0-100-generic x86_64
ApportVersion: 2.20.11-0ubuntu82.5
Architecture: amd64
CasperMD5CheckResult: unknown
CloudArchitecture: x86_64
CloudID: lxd
CloudName: unknown
CloudPlatform: lxd
CloudSubPlatform: seed-dir (/var/lib/cloud/seed/nocloud-net)
CrashDB: ubuntu
Date: Thu Jul 11 10:17:03 2024
PackageArchitecture: all
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 LANG=C.UTF-8
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to jammy on 2024-07-11 (0 days ago)