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ELNRNG
ELNRNG: Linux legacy errno
ELNRNG (errno 3) reports that a link ordinal is outside the configured range of a legacy link-multiplexing interface. These names come from historical System V/XENIX compatibility interfaces; on modern Linux they usually point to a driver, STREAMS-compatibility layer, or legacy IPC contract rather than a general filesystem error.
Evidence to capture
Record link number, configured link table, endpoint/device, and request type.
Focused test
compare the failing ordinal with a known-valid link on the same interface.
Correction
correct the link index or configuration that defines the available links.
Verification
Repeat the original system call and confirm it passes the former ELNRNG boundary with the same object identity.
Technical references
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