Reports that there are updates but there are none

[Bas van den Dikkenberg]

When i login on my ubuntu server it reports that there updates but when you look there are non see example below:

Welcome to Ubuntu 22.04 LTS (GNU/Linux 5.15.0-40-generic x86_64)

 * Documentation: https://help.ubuntu.com
 * Management: https://landscape.canonical.com
 * Support: https://ubuntu.com/advantage

  System information as of Sun Jul 3 07:41:29 AM UTC 2022

  System load: 0.12353515625
  Usage of /: 26.7% of 9.75GB
  Memory usage: 9%
  Swap usage: 0%
  Processes: 302
  Users logged in: 0
  IPv4 address for ens33: 192.168.200.113
  IPv6 address for ens33: some ipv6 adress

53 updates can be applied immediately.
33 of these updates are standard security updates.
To see these additional updates run: apt list --upgradable

Last login: Sun Jul 3 07:41:29 2022 from 192.168.200.101
bas@ubuntu-server:~$ sudo -i
[sudo] password for bas:
root@ubuntu-server:~# apt list --upgradable
Listing... Done

ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: update-notifier-common 3.192.54
ProcVersionSignature: Ubuntu 5.15.0-40.43-generic 5.15.35
Uname: Linux 5.15.0-40-generic x86_64
ApportVersion: 2.20.11-0ubuntu82.1
Architecture: amd64
CasperMD5CheckResult: pass
Date: Sun Jul 3 07:43:21 2022
InstallationDate: Installed on 2022-07-03 (0 days ago)
InstallationMedia: Ubuntu-Server 22.04 LTS "Jammy Jellyfish" - Release amd64 (20220421)
PackageArchitecture: all
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: update-notifier
UpgradeStatus: No upgrade log present (probably fresh install)

[Heinrich Schuchardt (xypron)]

I have seen the same today on a RISC-V system on Jammy

Welcome to Ubuntu 22.04 LTS (GNU/Linux 5.17.0-1002-allwinner riscv64)

 * Documentation: https://help.ubuntu.com
 * Management: https://landscape.canonical.com
 * Support: https://ubuntu.com/advantage

  System information as of Fri Jul 8 13:28:53 UTC 2022

  System load: 0.55224609375
  Usage of /: 9.6% of 28.68GB
  Memory usage: 19%
  Swap usage: 0%
  Temperature: 49.9 C
  Processes: 98
  Users logged in: 1
  IPv4 address for eth0: 192.168.123.96
  IPv6 address for eth0: 2002:3e8f:5e6d:0:e075:70ff:fe58:b3e1

15 updates can be applied immediately.
14 of these updates are standard security updates.
To see these additional updates run: apt list --upgradable

Last login: Fri Jul 8 14:34:47 2022
ubuntu@ubuntu:~$ sudo apt-get dist-upgrade
[sudo] password for ubuntu:
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Calculating upgrade... Done
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
ubuntu@ubuntu:~$

After running sudo apt-get update the difference vanishes.