In TP.down(), when receiving a view V, we

• remove all mappings for members not in V from logical_addr_cache and
• remove all mappings in UUID.cache for members not in V

This is incorrect, because

#1 We might have multiple channels in the same JVM, and any given view only pertains to a specific channel C1. But if we remove all mappings for members not in C1's view from UUID.cache, which is a JVM singleton, then we remove mappings for C2's view

#2 With a shared channel, we share TP's logical_addr_cache among all channels, so we cannot do this either