Merge branch 'add/1.17.9' into 'master'

Changelog for 1.17.9

See merge request !9
7 jobs for master in 54 seconds (queued for 2 seconds)
Status Name Job ID Coverage
  Build
passed build-deb:buster #7399

00:00:24

passed build-deb:jessie #7397

00:00:21

passed build-deb:stretch #7398

00:00:25

 
  Test
passed test-deb:buster #7402

00:00:12

passed test-deb:jessie #7400

00:00:13

passed test-deb:stretch #7401

00:00:14

 
  Deploy
passed aptly #7403

00:00:14