rc1->rc2

Change-Id: Ibbaa17733f9b6cb97d70d37624d74a59612710e3
diff --git a/jobs.yaml b/jobs.yaml
index b65b7d4..a987ca2 100644
--- a/jobs.yaml
+++ b/jobs.yaml
@@ -44,7 +44,7 @@
     flavor:
       - trusty32server
       - trusty64server
-    branch: '2.2.0rc1'
+    branch: '2.2.0rc2'
     tag: '-stable'
     jobs:
       - 'mininet-{flavor}{tag}'