From: Jonas Falkevik <redacted>
Date: Wed, 27 May 2020 11:56:40 +0200

Make sure SCTP_ADDR_{MADE_PRIM,ADDED} are sent only for associations
that have been established.

These events are described in rfc6458#section-6.1
SCTP_PEER_ADDR_CHANGE:
This tag indicates that an address that is
part of an existing association has experienced a change of
state (e.g., a failure or return to service of the reachability
of an endpoint via a specific transport address).

Signed-off-by: Jonas Falkevik <redacted>
---
Changes in v2:
 - Check asoc state to be at least established.
   Instead of associd being SCTP_FUTURE_ASSOC.
 - Common check for all peer addr change event

Applied and queued up for -stable, thanks.