revert to Vert.x 3.5.4 until 3.6.0 DNS issue is fixed
revert to Vert.x 3.5.4 until 3.6.0 DNS issue is fixed

openshiftio-vertx-boosters/vertx-secured-http-booster,openshiftio-vertx-boosters/vertx-secured-http-booster,openshiftio-vertx-boosters/vertx-secured-http-booster,openshiftio-vertx-boosters/vertx-secured-http-booster