Latest CentOS Stream 8 user agents:

User Agent Browser Device
libdnf (CentOS Stream 8; generic; Linux.x86_64) Unknown Unknown
libdnf (CentOS Stream 8; generic; Linux.ppc64le) Unknown Unknown
libdnf (CentOS Stream 8; generic; Linux.aarch64) Unknown Unknown
libdnf (CentOS Stream 8.7.2206.0; ovirt-node; Linux.x86_64) Unknown Unknown
libdnf (CentOS Stream 8.6.2109.0; ovirt-node; Linux.x86_64) Unknown Unknown
libdnf (CentOS Stream 8.4.2105.0; ovirt-node; Linux.x86_64) Unknown Unknown