a node can think a key is still alive despite it having deleted after a partition

[trinity-1686a]

if a node A get reset after a partition, the node B which sent the reset should have sent some key(s), or a sentinel key if no key is supposed to be alive. If the mtu prevent from sending all these keys, it's possible another node C then send to A a key with a version high enough to be acceptable (but smaller than the max version B would have sent), which have already been deleted from B's point of view