fix repository names
Current state hurts my OCD:
[root@fd17583b9c72 /]# dnf info openvswitch
CentOS-8 - Ceph Nautilus 305 kB/s | 207 kB 00:00
CentOS-8 - RabbitMQ 38 87 kB/s | 80 kB 00:00
CentOS- 8 - OpenStack ussuri 2.1 MB/s | 2.2 MB 00:01
CentOS-8 - Advanced Virtualization 125 kB/s | 103 kB 00:00