Merge branch 'fix-avs-router-on-service-disable' into 'master'

#1960 Fix error on service without router.

See merge request !6873

(cherry picked from commit 50d975bc)

18aedfd9 Fix error on service without router.
6 jobs for !6874 with cherry-pick-50d975bc in 14 minutes and 32 seconds (queued for 6 seconds)
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