Candlepin broke after RHEL 8.10 update

Issue

When upgrading Satellite 6.11 or 6.12's OS to RHEL 8.10, the following issue will be observed either during the upgrade or after the upgrade:

# hammer ping
database:
    Status:          ok
    Server Response: Duration: 0ms
candlepin:
    Status:          FAIL
    Server Response: Message: 404 Not Found
candlepin_auth:
    Status:          FAIL
    Server Response: Message: Katello::Errors::CandlepinNotRunning
candlepin_events:
    Status:          FAIL
    message:         Not running
    Server Response: Duration: 1ms
katello_events:
    Status:          ok
    message:         0 Processed, 0 Failed
    Server Response: Duration: 0ms
pulp3:
    Status:          ok
    Server Response: Duration: 60ms
pulp3_content:
    Status:          ok
    Server Response: Duration: 59ms
foreman_tasks:
    Status:          ok
    Server Response: Duration: 61ms