Analyse following RPM build log snippet. Describe contents accurately, without speculation or suggestions for resolution.            
Your analysis must be as concise as possible, while keeping relevant information intact.
Snippet: 

Error: Failed to download metadata for repo 'eln-baseos': Cannot download repomd.xml: Cannot download repodata/repomd.xml: All mirrors were tri
Repository 'eln-baseos' cannot be downloaded.