Some VCs log this warning on startup

May 07 04:37:53.491 WARN A connected beacon node errored during routine health check, endpoint: http://localhost:5052/, error: Uninitialized, module: beacon_node_fallback:503

It then resolves itself almost immediately.

May 07 04:37:53.491 INFO Initialized beacon node connections, available: 1, total: 1, module: validator_client:673