Opster Team
Before you begin reading this guide, we recommend you run Elasticsearch Error Check-Up which analyzes 2 JSON files to detect many errors.
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This guide will help you check for common problems that cause the log ” Bound or publishing to a non-loopback, enforcing bootstrap checks ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: bootstrap checks.

Log Context
Log “bound or publishing to a non-loopback or non-link-local address; enforcing bootstrap checks” classname is BootstrapCheck.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :
final Logger logger) throws NodeValidationException { final Listerrors = new ArrayList(); final List ignoredErrors = new ArrayList(); if (enforceLimits) { logger.info("bound or publishing to a non-loopback or non-link-local address; enforcing bootstrap checks"); } for (final Check check : checks) { if (check.check()) { if (!enforceLimits && !check.alwaysEnforce()) {
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Jose Rafaelly
Head of System Engineering at Everymundo