package qemu-system-gui 1:5.1+dfsg-4ubuntu1 failed to install/upgrade: there is no script in the new version of the package - giving up

[Jean-Baptiste Lallement]

Crash during package upgrade on hirsute.

ProblemType: Package
DistroRelease: Ubuntu 21.04
Package: qemu-system-gui 1:5.1+dfsg-4ubuntu1
ProcVersionSignature: Ubuntu 5.8.0-31.33-generic 5.8.17
Uname: Linux 5.8.0-31-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu53
Architecture: amd64
CasperMD5CheckResult: skip
Date: Sat Nov 28 11:15:16 2020
ErrorMessage: there is no script in the new version of the package - giving up
InstallationDate: Installed on 2020-05-31 (181 days ago)
InstallationMedia: Ubuntu 20.10 "Groovy Gorilla" - Alpha amd64 (20200527)
KvmCmdLine: COMMAND STAT EUID RUID PID PPID %CPU COMMAND
MachineType: Intel(R) Client Systems NUC10i7FNH
ProcKernelCmdLine: BOOT_IMAGE=/BOOT/ubuntu_nt06gx@/vmlinuz-5.8.0-31-generic root=ZFS=rpool/ROOT/ubuntu_nt06gx ro snd-intel-dspcfg.dsp_driver=1
Python3Details: /usr/bin/python3.8, Python 3.8.6, python3-minimal, 3.8.6-1
PythonDetails: N/A
SourcePackage: qemu
Title: package qemu-system-gui 1:5.1+dfsg-4ubuntu1 failed to install/upgrade: there is no script in the new version of the package - giving up
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/21/2019
dmi.bios.release: 5.16
dmi.bios.vendor: Intel Corp.
dmi.bios.version: FNCML357.0032.2019.1021.1624
dmi.board.asset.tag: Default string
dmi.board.name: NUC10i7FNB
dmi.board.vendor: Intel Corporation
dmi.board.version: K61360-302
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 35
dmi.chassis.vendor: Intel Corporation
dmi.chassis.version: 2.0
dmi.ec.firmware.release: 3.4
dmi.modalias: dmi:bvnIntelCorp.:bvrFNCML357.0032.2019.1021.1624:bd10/21/2019:br5.16:efr3.4:svnIntel(R)ClientSystems:pnNUC10i7FNH:pvrK61081-302:rvnIntelCorporation:rnNUC10i7FNB:rvrK61360-302:cvnIntelCorporation:ct35:cvr2.0:
dmi.product.family: FN
dmi.product.name: NUC10i7FNH
dmi.product.sku: BXNUC10i7FNH
dmi.product.version: K61081-302
dmi.sys.vendor: Intel(R) Client Systems