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729dc03e0c
During replace with the same IP a node may get queries that were intended
for the node it was replacing since the new node declares itself UP
before it advertises that it is a replacement. But after the node
starts replacing procedure the old node is marked as "being replaced"
and queries no longer sent there. It is important to do so before the
new node start to get raft snapshot since the snapshot application is
not atomic and queries that run parallel with it may see partial state
and fail in weird ways. Queries that are sent before that will fail
because schema is empty, so they will not find any tables in the first
place. The is pre-existing and not addressed by this patch.
(cherry picked from commit 644e7a2012)