8955 bound+reserved ports can be leaked (when NFS client reboots too quickly)

Review Request #810 — Created Jan. 9, 2018 and updated — Latest diff uploaded

kharris
illumos-gate
general

If an NFS client comes and goes too quickly, the result is "zombie" cm_entries because, without the DEAD flag, such entries won't be cleaned up.

We've been using this change in production for at least 2 years. Originally, we had identified how these cm_entries were leaked (thus bound+reserved ports), and verified this change allowed these cm_entries to be cleaned up (releasing these bound+reserved ports).

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