Add subnode logs to logstash

Enable us to use logstash.openstack.org to help debug multinode failures
that occur on the subnode.

Change-Id: I3629f4827abec68b731ce47048dab553908662d2
Depends-On: Icf842ec12e87ccd208c551870312c8e4b62613bd

modules/openstack_project/files/logstash/jenkins-log-client.yaml

@@ -499,6 +499,22 @@ source-files:
       - screen
       - apachecombined
     job-filter: '.*grenade.*'
+# multinode  subnode logs
+  - name: logs/subnode-2/screen-n-api-meta.txt
+    tags:
+      - screen
+      - oslofmt
+    job-filter: '.*multinode.*'
+  - name: logs/subnode-2/screen-n-cpu.txt
+    tags:
+      - screen
+      - oslofmt
+    job-filter: '.*multinode.*'
+  - name: logs/subnode-2/screen-n-net.txt
+    tags:
+      - screen
+      - oslofmt
+    job-filter: '.*multinode.*'
 # tripleo logs
   - name: logs/get_state_from_host.txt
     tags: