Major Description of problem:
Run oc-mirror d2m in an air-gapped env. oc-mirror shows error: 2025/10/28 07:31:34 [INFO] : 🔍 collecting operator images... ✗ (12s) Collecting catalog registry.redhat.io/redhat/redhat-operator-index:v4.18 2025/10/28 07:31:46 [INFO] : 🔍 collecting additional images... 2025/10/28 07:31:46 [INFO] : 🔍 collecting helm images... 2025/10/28 07:31:46 [INFO] : mirror time : 35m16.182237441s 2025/10/28 07:31:46 [INFO] : 👋 Goodbye, thank you for using oc-mirror 2025/10/28 07:31:46 [ERROR] : [Executor] collection error: collect catalog "registry.redhat.io/redhat/redhat-operator-index:v4.18": initializing source docker://registry.redhat.io/redhat/redhat-operator-index:v4.18: pinging container registry registry.redhat.io: Get "http://registry.redhat.io/v2/": dial tcp: lookup registry.redhat.io: no such host
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