@Override
  public long getUuidMostSignificantBits() {
    return memberData.getUuidMostSignificantBits();
  }
Set the membership port. This is done in loner systems using client/server connection
information to help form a unique ID
geode-membership/src/main/java/org/apache/geode/distributed/internal/membership/gms/MemberIdentifierImpl.java