Rework interface roles to match cookiecutter template options

Change-Id: I26ddff3af840b805319ba2805e1cc80af22a5735
Reviewed-on: https://review.gerrithub.io/377228
Reviewed-by: Dennis Dmitriev <dis.xcom@gmail.com>
Tested-by: Dennis Dmitriev <dis.xcom@gmail.com>
diff --git a/tcp_tests/templates/shared-salt.yaml b/tcp_tests/templates/shared-salt.yaml
index 850df92..bc9a14e 100644
--- a/tcp_tests/templates/shared-salt.yaml
+++ b/tcp_tests/templates/shared-salt.yaml
@@ -436,7 +436,7 @@
   cmd: salt -C "I@linux:network:interface:*:type:bond" cmd.run 'modprobe bonding'
   node_name: {{ HOSTNAME_CFG01 }}
   retry: {count: 1, delay: 5}
-  skip_fail: false
+  skip_fail: true
 
 - description: '*Workaround* install bridge-utils before running linux formula'
   # The formula removes default route and then tries to install the package, fails.