Preparing to unpack .../00-libsmbclient_2%3a4.11.6+dfsg-0ubuntu1.10_amd64.deb ...
Unpacking libsmbclient:amd64 (2:4.11.6+dfsg-0ubuntu1.10) over (2:4.11.6+dfsg-0ubuntu1.9) ...
Preparing to unpack .../01-libwbclient0_2%3a4.11.6+dfsg-0ubuntu1.10_amd64.deb ...
Unpacking libwbclient0:amd64 (2:4.11.6+dfsg-0ubuntu1.10) over (2:4.11.6+dfsg-0ubuntu1.9) ...
Preparing to unpack .../02-samba-libs_2%3a4.11.6+dfsg-0ubuntu1.10_amd64.deb ...
Unpacking samba-libs:amd64 (2:4.11.6+dfsg-0ubuntu1.10) over (2:4.11.6+dfsg-0ubuntu1.9) ...
Preparing to unpack .../03-libssl1.1_1.1.1f-1ubuntu2.8_amd64.deb ...
Unpacking libssl1.1:amd64 (1.1.1f-1ubuntu2.8) over (1.1.1f-1ubuntu2.5) ...
Preparing to unpack .../04-openssl_1.1.1f-1ubuntu2.8_amd64.deb ...
Unpacking openssl (1.1.1f-1ubuntu2.8) over (1.1.1f-1ubuntu2.5) ...
Preparing to unpack .../05-firefox_91.0.2+build1-0ubuntu0.20.04.1_amd64.deb ...
Unpacking firefox (91.0.2+build1-0ubuntu0.20.04.1) over (91.0.1+build1-0ubuntu0.20.04.1) ...
Preparing to unpack .../06-firefox-locale-en_91.0.2+build1-0ubuntu0.20.04.1_amd64.deb ...
Unpacking firefox-locale-en (91.0.2+build1-0ubuntu0.20.04.1) over (91.0.1+build1-0ubuntu0.20.04.1) ...
Preparing to unpack .../07-grub2-common_2.04-1ubuntu26.13_amd64.deb ...
Unpacking grub2-common (2.04-1ubuntu26.13) over (2.04-1ubuntu26.12) ...
Preparing to unpack .../08-grub-pc_2.04-1ubuntu26.13_amd64.deb ...
Unpacking grub-pc (2.04-1ubuntu26.13) over (2.04-1ubuntu26.12) ...
Preparing to unpack .../09-grub-pc-bin_2.04-1ubuntu26.13_amd64.deb ...
Unpacking grub-pc-bin (2.04-1ubuntu26.13) over (2.04-1ubuntu26.12) ...
Preparing to unpack .../10-grub-common_2.04-1ubuntu26.13_amd64.deb ...
Unpacking grub-common (2.04-1ubuntu26.13) over (2.04-1ubuntu26.12) ...
Preparing to unpack .../11-libssh-4_0.9.3-2ubuntu2.2_amd64.deb ...
Unpacking libssh-4:amd64 (0.9.3-2ubuntu2.2) over (0.9.3-2ubuntu2.1) ...
Preparing to unpack .../12-libssh-gcrypt-4_0.9.3-2ubuntu2.2_amd64.deb ...
Unpacking libssh-gcrypt-4:amd64 (0.9.3-2ubuntu2.2) over (0.9.3-2ubuntu2.1) ...
Setting up libssh-gcrypt-4:amd64 (0.9.3-2ubuntu2.2) ...
Setting up firefox (91.0.2+build1-0ubuntu0.20.04.1) ...
Please restart all running instances of firefox, or you will experience problems.
Setting up libssl1.1:amd64 (1.1.1f-1ubuntu2.8) ...
Setting up libwbclient0:amd64 (2:4.11.6+dfsg-0ubuntu1.10) ...
Setting up grub-common (2.04-1ubuntu26.13) ...
Installing new version of config file /etc/grub.d/10_linux ...
Created symlink /etc/systemd/system/multi-user.target.wants/grub-common.service → /lib/systemd/system/grub-common.service.
Created symlink /etc/systemd/system/sleep.target.wants/grub-common.service → /lib/systemd/system/grub-common.service.
update-rc.d: warning: start and stop actions are no longer supported; falling back to defaults
Setting up firefox-locale-en (91.0.2+build1-0ubuntu0.20.04.1) ...
Setting up libssh-4:amd64 (0.9.3-2ubuntu2.2) ...
Setting up openssl (1.1.1f-1ubuntu2.8) ...
Setting up grub2-common (2.04-1ubuntu26.13) ...
Setting up samba-libs:amd64 (2:4.11.6+dfsg-0ubuntu1.10) ...
Setting up grub-pc-bin (2.04-1ubuntu26.13) ...
Setting up grub-pc (2.04-1ubuntu26.13) ...
Sourcing file `/etc/default/grub'
Sourcing file `/etc/default/grub.d/init-select.cfg'
Generating grub configuration file ...
Found background image: wallpaper.png
Found linux image: /boot/vmlinuz-5.11.0-27-generic
Found initrd image: /boot/initrd.img-5.11.0-27-generic
Found linux image: /boot/vmlinuz-5.11.0-25-generic
Found initrd image: /boot/initrd.img-5.11.0-25-generic
Adding boot menu entry for UEFI Firmware Settings
/etc/grub.d/35_fwupd: line 5: /usr/share/grub: Is a directory
dpkg: error processing package grub-pc (--configure):
 installed grub-pc package post-installation script subprocess returned error exit status 126