@Override
  public Properties getDistributedSystemProperties() {
    Properties props = super.getDistributedSystemProperties();
    props.setProperty(LOG_LEVEL, "info");
    props.setProperty(CONSERVE_SOCKETS, "false");
    return props;
  }
A test of 46438 - missing response to an update attributes message

see bugs #50785 and #46438
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/ConnectDisconnectDUnitTest.java