Add auditd for l2gw

Change-Id: I3ed72437212b74274ccf65c2bc8df09f2fdb2fb9
diff --git a/tcp_tests/templates/virtual-mcp-pike-ovs-l2gw-bgpvpn/salt.yaml b/tcp_tests/templates/virtual-mcp-pike-ovs-l2gw-bgpvpn/salt.yaml
index 33b4c38..df07af8 100644
--- a/tcp_tests/templates/virtual-mcp-pike-ovs-l2gw-bgpvpn/salt.yaml
+++ b/tcp_tests/templates/virtual-mcp-pike-ovs-l2gw-bgpvpn/salt.yaml
@@ -20,7 +20,7 @@
 
 {{ SHARED.MACRO_CLONE_RECLASS_MODELS() }}
 
-{{ SHARED.MACRO_CONFIGURE_RECLASS(FORMULA_SERVICES='"linux" "reclass" "salt" "openssh" "ntp" "git" "nginx" "collectd" "sensu" "heka" "sphinx" "keystone" "mysql" "grafana" "haproxy" "rsyslog" "horizon" "prometheus" "telegraf" "elasticsearch" "fluentd" "backupninja"') }}
+{{ SHARED.MACRO_CONFIGURE_RECLASS(FORMULA_SERVICES='"linux" "reclass" "salt" "openssh" "ntp" "git" "nginx" "collectd" "sensu" "heka" "sphinx" "keystone" "mysql" "grafana" "haproxy" "rsyslog" "horizon" "prometheus" "telegraf" "elasticsearch" "fluentd" "backupninja" "auditd"') }}
 
 {{ SHARED.MACRO_INSTALL_SALT_MINIONS() }}