public boolean tryReInitializeHost(final Host host) {
            logger.debug("Trying to re-initiate host connection pool on {}", host);

            try {
                initializeConnectionSetupForHost.accept(host);
                return true;
            } catch (Exception ex) {
                logger.debug("Failed re-initialization attempt on {}", host, ex);
                return false;
            }
        }
Attempt to re-initialize the {@link Host} that was previously marked as unavailable.  This method gets called
as part of a schedule in {@link Host} to periodically try to re-initialize.
gremlin-driver/src/main/java/org/apache/tinkerpop/gremlin/driver/Client.java