Description of problem:

The skip range is >=5.9.0-0 <6.0.0. it should be >=5.8.0-0 <6.0.0

The FBC fragment: https://privatebin.corp.redhat.com/?e30c41f4e7c47085#FiX5CT4dGqKdJM8JCbd4GcdCVaHkqwZ1YbJkYGRqQUgM 

redhat-operator-index:v4.17:
https://privatebin.corp.redhat.com/?c707741701ac0549#H6CqyicDzkBvk2NbBSRWbbLjMW9pp8KcaVGFkGPDNmms
How reproducible:

Steps to Reproduce:

1.  upgrade Logging from stable to stable-6.0 Or stable-5.8 to stable-6.0
2.  
3. ...

Additional info:

 There isn't cluster-logging-5.9.z in v4.17.  So we can not use stable-5.9 as a bridge.