trbo health check: detect failures due to broken pipe

Signed-off-by: Holger Levsen <holger@layer-acht.org>

bin/reproducible_system_health.sh

@@ -306,6 +306,8 @@ for JOB_NAME in $(ls -1d reproducible_* | sort ) ; do
 			small_note "package 'diffoscope' has no installation candidate"
 		elif $(grep -q "^W: No exported results found in /tmp/job-exports" $LOG) ; then
 			small_note "build failed"
+		elif $(grep -q "^client_loop: send disconnect: Broken pipe" $LOG) ; then
+			small_note "broken pipe"
 		fi
 		case $JOB_NAME in
 			reproducible_maintenance_amd64_jenkins)			MODIFIER=250 ;; # main node