Вот еще думаю, завести багу, не завести? Можно ухандохать систему

элементарно:
BITBLAZE ~ # apt install apt dpkg
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer required:
diffuse python3-pyoo virtualgl
Use 'apt autoremove' to remove them.
The following packages will be upgraded:
apt dpkg
2 upgraded, 0 newly installed, 0 to remove and 1048 not upgraded.
Need to get 5534 kB of archives.
After this operation, 0 B of additional disk space will be used.
Get:1 https://storage.mcst.ru/repo/elbrus-linux-7 7.1/main e2k-8c2 apt e2k-8c2 1.8.2-vd7u19 [3402 kB]
Get:2 https://storage.mcst.ru/repo/elbrus-linux-7 7.1/main e2k-8c2 dpkg e2k-8c2 1.17.27-vd7u53 [2132 kB]
Fetched 5534 kB in 1s (5150 kB/s)
(Reading database ... 392501 files and directories currently installed.)
Preparing to unpack .../apt_1.8.2-vd7u19_e2k-8c2.deb ...
Unpacking apt (1.8.2-vd7u19) over (1.8.2-vd6u17) ...
Setting up apt (1.8.2-vd7u19) ...
(Reading database ... 392501 files and directories currently installed.)
Preparing to unpack .../dpkg_1.17.27-vd7u53_e2k-8c2.deb ...
Unpacking dpkg (1.17.27-vd7u53) over (1.17.27-vd6u46) ...
Setting up dpkg (1.17.27-vd7u53) ...
Processing triggers for man-db (2.7.6.1-vd6u7) ...
BITBLAZE ~ # apt full-upgrade
apt: /usr/lib64/libstdc++.so.6: version `GLIBCXX_3.4.26' not found (required by /usr/lib64/libapt-private.so.0.0)
apt: /usr/lib64/libstdc++.so.6: version `GLIBCXX_3.4.26' not found (required by /usr/lib64/libapt-pkg.so.5.0)
BITBLAZE ~ # dpkg -i glibc_2.29-26.006-vd7u20_e2k-8c2.deb
(Reading database ... 392500 files and directories currently installed.)
Preparing to unpack glibc_2.29-26.006-vd7u20_e2k-8c2.deb ...
Unpacking glibc (2.29-26.006-vd7u20) over (2.29-25.014-vd6u16) ...
Setting up glibc (2.29-26.006-vd7u20) ...
Generating locales (this might take a while)...
ru_RU.UTF-8... done
ru_RU.KOI8-R... done
en_US.UTF-8... done
Generation complete.
BITBLAZE ~ # apt full-upgrade
apt: /usr/lib64/libstdc++.so.6: version `GLIBCXX_3.4.26' not found (required by /usr/lib64/libapt-private.so.0.0)
apt: /usr/lib64/libstdc++.so.6: version `GLIBCXX_3.4.26' not found (required by /usr/lib64/libapt-pkg.so.5.0)
BITBLAZE ~ # dpkg -S /usr/lib64/libstdc++.so.6
lcc-libs: /usr/lib64/libstdc++.so.6
BITBLAZE ~ # dpkg -i lcc-libs_1.26.10-vd7u42_e2k-8c2.deb
(Reading database ... 392500 files and directories currently installed.)
Preparing to unpack lcc-libs_1.26.10-vd7u42_e2k-8c2.deb ...
Unpacking lcc-libs (1.26.10-vd7u42) over (1.25.17-vd6u42) ...
Setting up lcc-libs (1.26.10-vd7u42) ...
BITBLAZE ~ # apt full-upgrade
Reading package lists... Done

Конечно. Обо всех найденных ошибках важно писать баг-репорт. В МЦСТ не могут абсолютно всё учесть и перепроверить.

Блин, я хз, вот честно, не прописать в зависимости lcc-libs... Это больше похоже на "от..сь"