Public bug reported:
I'm being bitten by this exact issue:
http://lists.infradead.org/pipermail/hostap/2016-February/034640.html
TL;DR: wpa_supplicant gets PREV_AUTH_NOT_VALID message from AP, should
immediately reauthenticate to same AP, instead blacklists AP and
attempts to find different AP with same ESSID. If there isn't any,
association permanently fails.
This is evidently fixed in wpa_supplicant 2.5; all Ubuntu releases up to
and including Zesty are on 2.5.
** Affects: wpasupplicant (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1647082
Title:
wpa_supplicant fails to reauthenticate when receiving
PREV_AUTH_NOT_VALID (fixed upstream, Ubuntu package needs refresh)
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