Setting up brltty (5.3.1-2ubuntu1) ... update-initramfs: deferring update (trigger activated) update-rc.d: warning: start and stop actions are no longer supported; falling back to defaults Job for brltty.service failed because the control process exited with error code. See "systemctl status brltty.service" and "journalctl -xe" for details. invoke-rc.d: initscript brltty, action "start" failed. dpkg: error processing package brltty (--configure): subprocess installed post-installation script returned error exit status 1