clair: Clair updates fails on RHEL

Description of Problem / Feature Request

During the database update process I’m getting the following error:

{"Event":"running database migrations","Level":"info","Location":"pgsql.go:216","Time":"2019-04-08 07:02:42.741920"}
{"Event":"database migration ran successfully","Level":"info","Location":"pgsql.go:223","Time":"2019-04-08 07:02:42.880970"}
{"Event":"starting main API","Level":"info","Location":"api.go:52","Time":"2019-04-08 07:02:42.881163","port":6060}
{"Event":"starting health API","Level":"info","Location":"api.go:85","Time":"2019-04-08 07:02:42.881275","port":6061}
{"Event":"updater service started","Level":"info","Location":"updater.go:83","Time":"2019-04-08 07:02:42.881653","lock identifier":"e95e2a0f-3d34-46be-a70a-f63e1a49a2fa"}
{"Event":"notifier service is disabled","Level":"info","Location":"notifier.go:77","Time":"2019-04-08 07:02:42.881934"}
{"Event":"updating vulnerabilities","Level":"info","Location":"updater.go:192","Time":"2019-04-08 07:02:42.884835"}
{"Event":"fetching vulnerability updates","Level":"info","Location":"updater.go:239","Time":"2019-04-08 07:02:42.884876"}
{"Event":"Start fetching vulnerabilities","Level":"info","Location":"debian.go:63","Time":"2019-04-08 07:02:42.884920","package":"Debian"}
{"Event":"Start fetching vulnerabilities","Level":"info","Location":"rhel.go:92","Time":"2019-04-08 07:02:42.885008","package":"RHEL"}
{"Event":"Start fetching vulnerabilities","Level":"info","Location":"oracle.go:119","Time":"2019-04-08 07:02:42.885032","package":"Oracle Linux"}
{"Event":"Start fetching vulnerabilities","Level":"info","Location":"alpine.go:52","Time":"2019-04-08 07:02:42.885323","package":"Alpine"}
{"Event":"Start fetching vulnerabilities","Level":"info","Location":"ubuntu.go:85","Time":"2019-04-08 07:02:42.885267","package":"Ubuntu"}

{"Event":"Failed to update RHEL","Level":"error","Location":"rhel.go:112","StatusCode":403,"Time":"2019-04-08 07:02:43.008489"}
{"Event":"an error occured when fetching update","Level":"error","Location":"updater.go:246","Time":"2019-04-08 07:02:43.008612","error":"could not download requested resource","updater name":"rhel"}

{"Event":"finished fetching","Level":"info","Location":"updater.go:253","Time":"2019-04-08 07:02:43.617969","updater name":"alpine"}
{"Event":"finished fetching","Level":"info","Location":"updater.go:253","Time":"2019-04-08 07:02:43.928346","updater name":"debian"}

Expected Outcome

Clair updates successfully

Actual Outcome

Clair exits with error.

Environment

• Clair version/image: 2.0.8
• Clair client name/version: 2.0.8
• Host OS: Docker?
• Kernel (e.g. uname -a):