Public bug reported:
Ubuntu did not fully upgrade from 24.04 to 26.04. Upgrade cannot be
completed due to error of tcpdump and rtkit: Software Updater does not
work any more.
ProblemType: Package
DistroRelease: Ubuntu 26.04
Package: tcpdump 4.99.6-1
ProcVersionSignature: Ubuntu 6.8.0-134.134-generic 6.8.12
Uname: Linux 6.8.0-134-generic x86_64
ApportVersion: 2.34.0-0ubuntu2
Architecture: amd64
CasperMD5CheckResult: unknown
Date: Sun Jul 5 17:49:39 2026
ErrorMessage: old tcpdump package postinst maintainer script subprocess failed
with exit status 1
InstallationDate: Installed on 2020-10-02 (2103 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
Python3Details: /usr/bin/python3.12, Python 3.12.3, python3-minimal,
3.12.3-0ubuntu2.1
PythonDetails: /usr/bin/python2.7, Python 2.7.18, python-is-python2, 2.7.17-4
RelatedPackageVersions:
dpkg 1.23.7ubuntu1
apt 2.8.3
SourcePackage: tcpdump
Title: package tcpdump 4.99.6-1 failed to install/upgrade: old tcpdump package
postinst maintainer script subprocess failed with exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: tcpdump (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-package need-duplicate-check resolute third-party-packages
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https://bugs.launchpad.net/bugs/2159791
Title:
package tcpdump 4.99.6-1 failed to install/upgrade: old tcpdump
package postinst maintainer script subprocess failed with exit status
1
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