After performing the update from version 7.3.1.0_1915 to version 8.0.1.0_3212, the correlation engine has a disconnected state, with a red flag in its status.

In the log what you have is the following:

Fri May 05 18:44:23 CDT 2017 | Container Startup Thread | esecurity.base.ccs.proxy.ComponentElementProxy.act ivate
Failed to initialize CorrelationEngine

Some tip to restore the correlation engine, the engine is on the same computer as the sentinel server.