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: 
npm error code ENOTFOUND
npm error syscall getaddrinfo
npm error errno ENOTFOUND
npm error network request to https://registry.npmjs.org/css-loader failed, reason: getaddrinfo ENOTFOUND registry.npmjs.org
npm error network This is a problem related to network connectivity.
npm error network In most cases you are behind a proxy or have bad network settings.
npm error network
npm error network If you are behind a proxy, please make sure that the
npm error network 'proxy' config is set properly.  See: 'npm help config'
Request to npm repository has failed.