NETL-391 — Netio function failed due to buffer shortage
Netio library routine failed to read or write from/to named netio struct due to buffer shortage.
Function netreadvar() logs this message when it was called to read a block with length greater then the buffer size.
Check the message causing this error and, if this message is correct and is expected to be repeated, increase size of internal buffer in proper attribute of sock-opt section (see netio(7) manual page).
The parenthesis contains netio name and file descriptor.
Function returns error code and caller should decide about recovery.