upgrade from Elasticsearch 2.3.5-nx1 to 2.4.x (may need to upport the nx1 fix)
NXP-22810 Upgrade to Elasticsearch 5.x
NXP-19194 Upgrade from Elasticsearch 1.5.2 to 2.x
NXP-21639 Add/Validate Elasticsearch 2.4.x support with LTS 2016