Fix issue with seba-in-a-box-build-test-2.0-alpha1 job

Change-Id: I867d56cb7e32001971b08fc2ace07b291b5a5118
diff --git a/jjb/pipeline/siab.groovy b/jjb/pipeline/siab.groovy
index f048f5e..0c6b833 100644
--- a/jjb/pipeline/siab.groovy
+++ b/jjb/pipeline/siab.groovy
@@ -63,7 +63,7 @@
       steps {
         sh """
             pushd $WORKSPACE/automation-tools/seba-in-a-box
-            CORD_KAFKA_IP=\$(kubectl exec cord-kafka-0 -- ip a | grep -oE "([0-9]{1,3}\\.){3}[0-9]{1,3}\\b" | grep 192)
+            CORD_KAFKA_IP=\$(kubectl get pod -l app=kafka -o json | jq -r '.items[0].status.podIP')
             kafkacat -e -C -b \$CORD_KAFKA_IP -t onu.events -f 'Topic %t [%p] at offset %o: key %k: %s\n >0'
             kafkacat -e -C -b \$CORD_KAFKA_IP -t authentication.events -f 'Topic %t [%p] at offset %o: key %k: %s\n >0'
             kafkacat -e -C -b \$CORD_KAFKA_IP -t dhcp.events -f 'Topic %t [%p] at offset %o: key %k: %s\n >0'