Created attachment 177737 [details] patch testbuilds@work
I'm testing this as well... seems OK so far.
I had a box with UniFi AP-LRs, which failed with 5.2.9. Works now with 5.3.8.
A commit references this bug: Author: feld Date: Wed Dec 7 20:38:28 UTC 2016 New revision: 428086 URL: https://svnweb.freebsd.org/changeset/ports/428086 Log: net-mgmt/unifi5: Update to 5.3.8 Changelog: https://community.ubnt.com/t5/UniFi-Updates-Blog/UniFi-5-3-8-Stable-has-been-released/ba-p/1755779 PR: 215109 Changes: head/net-mgmt/unifi5/Makefile head/net-mgmt/unifi5/distinfo head/net-mgmt/unifi5/pkg-plist