diff --git a/roles/jenkins/slave/tasks/main.yml b/roles/jenkins/slave/tasks/main.yml
index c5bab37273..5e7e7867b9 100644
--- a/roles/jenkins/slave/tasks/main.yml
+++ b/roles/jenkins/slave/tasks/main.yml
@@ -101,3 +101,10 @@
   - jenkins
   - jenkins/slave
   - config
+
+- name: set /etc/hosts with local ip for loopback tests.
+  template: src=hosts dest=/etc/hosts owner=root group=root
+  tags:
+  - jenkins
+  - jenkins/slave
+  - config
diff --git a/roles/jenkins/slave/templates/hosts b/roles/jenkins/slave/templates/hosts
new file mode 100644
index 0000000000..ad45b2f759
--- /dev/null
+++ b/roles/jenkins/slave/templates/hosts
@@ -0,0 +1,4 @@
+127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4
+::1         localhost localhost.localdomain localhost6 localhost6.localdomain6
+
+{{ ansible_default_ipv4.address }} {{ inventory_hostname }}