package plymouth-theme-ubuntu-text 0.9.2-3ubuntu13.1 failed to install/upgrade: Abhängigkeitsprobleme - Trigger bleiben unverarbeitet

[Martin]

Upgrading from 18LTS to 20LTS

ProblemType: Package
DistroRelease: Ubuntu 18.04
Package: plymouth-theme-ubuntu-text 0.9.2-3ubuntu13.1
ProcVersionSignature: Ubuntu 4.4.0-210.242-generic 4.4.262
Uname: Linux 4.4.0-210-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.27
Architecture: amd64
BootLog: Error: [Errno 2] No such file or directory: '/var/log/boot.log'
Date: Mon Dec 20 19:31:19 2021
DefaultPlymouth: Error: command ['readlink', '/etc/alternatives/default.plymouth'] failed with exit code 1:
ErrorMessage: Abhängigkeitsprobleme - Trigger bleiben unverarbeitet
InstallationDate: Installed on 2018-12-12 (1104 days ago)
InstallationMedia: Ubuntu-Server 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215.8)
Lsusb:
 Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
 Bus 001 Device 002: ID 8087:0a2b Intel Corp.
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: Intel Corporation NUC7i3BNK
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-210-generic root=UUID=7eeeeff3-0de0-46dd-aebf-1154abb3255a ro
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-210-generic root=UUID=7eeeeff3-0de0-46dd-aebf-1154abb3255a ro
Python3Details: /usr/bin/python3.6, Python 3.6.9, python3-minimal, 3.6.7-1~18.04
PythonDetails: /usr/bin/python2.7, Python 2.7.17, python-minimal, 2.7.15~rc1-1
RelatedPackageVersions:
 dpkg 1.19.0.5ubuntu2.3
 apt 1.2.19
SourcePackage: plymouth
TextPlymouth: /usr/share/plymouth/themes/ubuntu-text/ubuntu-text.plymouth
Title: package plymouth-theme-ubuntu-text 0.9.2-3ubuntu13.1 failed to install/upgrade: Abhängigkeitsprobleme - Trigger bleiben unverarbeitet
UpgradeStatus: Upgraded to bionic on 2021-12-20 (0 days ago)
dmi.bios.date: 02/22/2018
dmi.bios.vendor: Intel Corp.
dmi.bios.version: BNKBL357.86A.0062.2018.0222.1644
dmi.board.name: NUC7i3BNB
dmi.board.vendor: Intel Corporation
dmi.board.version: J22859-313
dmi.chassis.type: 3
dmi.chassis.vendor: Intel Corporation
dmi.chassis.version: 2
dmi.modalias: dmi:bvnIntelCorp.:bvrBNKBL357.86A.0062.2018.0222.1644:bd02/22/2018:svnIntelCorporation:pnNUC7i3BNK:pvrJ31188-313:rvnIntelCorporation:rnNUC7i3BNB:rvrJ22859-313:cvnIntelCorporation:ct3:cvr2:
dmi.product.name: NUC7i3BNK
dmi.product.version: J31188-313
dmi.sys.vendor: Intel Corporation