Merge branch 'fix-avs-send-reboot-mx' into 'master'

Fix send mx message on classifier and uptime reboot.

See merge request !6866

(cherry picked from commit f877bf39)

34dd15cc Fix send mx message on classifier and uptime reboot.
b6704087 Fix flake.
6 jobs for !6867 with cherry-pick-f877bf39 in 27 minutes and 9 seconds (queued for 4 seconds)
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