+xenial, -precise

Change-Id: I94523acd10f8154fcae13b8bec5ca8d7c40d8b60
diff --git a/jobs.yaml b/jobs.yaml
index 9df0cfa..d840074 100644
--- a/jobs.yaml
+++ b/jobs.yaml
@@ -27,12 +27,10 @@
 - job-group:
     name: mininet-latest
     flavor:
-      - precise32server
-      - precise64server
       - trusty32server
       - trusty64server
-      - wily32server
-      - wily64server
+      - xenial32server
+      - xenial64server
     branch: 'master'
     tag: ''
     jobs: