tests/lib/libc/net/getaddrinfo/README


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This test may fail if

 - your /etc/services file is not in sync with what this test expects
 - your /etc/hosts file or DNS have unusual entries for "localhost"
   (a duplicate "localhost 127.0.0.1" line in /etc/hosts for example)

On kernels without IPv6 support some of the tests are skipped.