J'ai regardé le post qui a le même souci, le dernier message, et lancé les mêmes commandes et ça semble ressembler au même souci.
voici ce post
résultat de mes commandes:
monfreid@monfreid-HP:~$ cat /var/log/apt/history.log
Start-Date: 2021-01-04 11:16:29
Commandline: aptdaemon role='role-commit-packages' sender=':1.109'
Upgrade: brave-browser:amd64 (1.18.75, 1.18.77)
End-Date: 2021-01-04 11:16:58
Start-Date: 2021-01-07 10:48:03
Commandline: /usr/bin/unattended-upgrade
Upgrade: firefox:amd64 (84.0+build3-0ubuntu0.20.04.1, 84.0.1+build1-0ubuntu0.20.04.1)
End-Date: 2021-01-07 10:48:21
Start-Date: 2021-01-07 10:48:26
Commandline: /usr/bin/unattended-upgrade
Upgrade: libwavpack1:amd64 (5.2.0-1, 5.2.0-1ubuntu0.1)
End-Date: 2021-01-07 10:48:32
Start-Date: 2021-01-07 10:48:36
Commandline: /usr/bin/unattended-upgrade
Upgrade: libproxy1v5:amd64 (0.4.15-10ubuntu1.1, 0.4.15-10ubuntu1.2), libproxy1-plugin-gsettings:amd64 (0.4.15-10ubuntu1.1, 0.4.15-10ubuntu1.2), libproxy1-plugin-networkmanager:amd64 (0.4.15-10ubuntu1.1, 0.4.15-10ubuntu1.2)
End-Date: 2021-01-07 10:48:37
Start-Date: 2021-01-07 10:48:41
Commandline: /usr/bin/unattended-upgrade
Upgrade: p11-kit-modules:amd64 (0.23.20-1build1, 0.23.20-1ubuntu0.1), libp11-kit0:amd64 (0.23.20-1build1, 0.23.20-1ubuntu0.1)
End-Date: 2021-01-07 10:48:48
Start-Date: 2021-01-07 10:48:52
Commandline: /usr/bin/unattended-upgrade
Install: linux-modules-5.8.0-34-generic:amd64 (5.8.0-34.37~20.04.2, automatic), linux-hwe-5.8-headers-5.8.0-34:amd64 (5.8.0-34.37~20.04.2, automatic), linux-image-5.8.0-34-generic:amd64 (5.8.0-34.37~20.04.2, automatic), linux-headers-5.8.0-34-generic:amd64 (5.8.0-34.37~20.04.2, automatic), linux-modules-extra-5.8.0-34-generic:amd64 (5.8.0-34.37~20.04.2, automatic)
Upgrade: linux-headers-generic-hwe-20.04:amd64 (5.4.0.58.61, 5.8.0.34.37~20.04.20), linux-image-generic-hwe-20.04:amd64 (5.4.0.58.61, 5.8.0.34.37~20.04.20), linux-generic-hwe-20.04:amd64 (5.4.0.58.61, 5.8.0.34.37~20.04.20)
End-Date: 2021-01-07 10:49:43
Start-Date: 2021-01-07 10:49:47
Commandline: /usr/bin/unattended-upgrade
Upgrade: p11-kit:amd64 (0.23.20-1build1, 0.23.20-1ubuntu0.1)
End-Date: 2021-01-07 10:49:53
Start-Date: 2021-01-07 10:49:57
Commandline: /usr/bin/unattended-upgrade
Upgrade: python-apt-common:amd64 (2.0.0ubuntu0.20.04.2, 2.0.0ubuntu0.20.04.3)
End-Date: 2021-01-07 10:50:00
Start-Date: 2021-01-07 10:50:04
Commandline: /usr/bin/unattended-upgrade
Upgrade: firefox-locale-fr:amd64 (84.0+build3-0ubuntu0.20.04.1, 84.0.1+build1-0ubuntu0.20.04.1)
End-Date: 2021-01-07 10:50:08
Start-Date: 2021-01-07 10:50:12
Commandline: /usr/bin/unattended-upgrade
Upgrade: firefox-locale-en:amd64 (84.0+build3-0ubuntu0.20.04.1, 84.0.1+build1-0ubuntu0.20.04.1)
End-Date: 2021-01-07 10:50:16
Start-Date: 2021-01-07 10:50:21
Commandline: /usr/bin/unattended-upgrade
Upgrade: libopenexr24:amd64 (2.3.0-6ubuntu0.2, 2.3.0-6ubuntu0.3)
End-Date: 2021-01-07 10:50:28
Start-Date: 2021-01-07 10:50:32
Commandline: /usr/bin/unattended-upgrade
Upgrade: python3-apt:amd64 (2.0.0ubuntu0.20.04.2, 2.0.0ubuntu0.20.04.3)
End-Date: 2021-01-07 10:50:33
Start-Date: 2021-01-07 10:50:38
Commandline: /usr/bin/unattended-upgrade
Upgrade: linux-libc-dev:amd64 (5.4.0-58.64, 5.4.0-59.65)
End-Date: 2021-01-07 10:50:38
monfreid@monfreid-HP:~$
et
monfreid@monfreid-HP:~$ uname -r
5.8.0-34-generic