default Set<InetAddress> getEquivalents(InetAddress in) {
    throw new UnsupportedOperationException();
  }
Returns true is the two members are on the same equivalent host machine based on overlapping IP
addresses collected for all NICs on each member's machine.

@param member1 First member
@param member2 Second member
geode-core/src/main/java/org/apache/geode/distributed/internal/DistributionManager.java