Prevent conflict of kdt certs for CFG and KDT nodes

Change-Id: I4b8b9d7d30cd39ae4619b88406b0e891fb8b0d69
Related-prod: #PROD-28243 (PROD:28243)
diff --git a/salt/minion/cert/etcd_server_single.yml b/salt/minion/cert/etcd_server_single.yml
index d333fb8..fb5aa18 100644
--- a/salt/minion/cert/etcd_server_single.yml
+++ b/salt/minion/cert/etcd_server_single.yml
@@ -7,7 +7,7 @@
           authority: ${_param:salt_minion_ca_authority}
           common_name: ${linux:system:name}
           signing_policy: cert_open
-          alternative_names: IP:127.0.0.1,IP:${_param:cluster_local_address},DNS:${linux:system:name},DNS:${linux:network:fqdn}
+          alternative_names: IP:127.0.0.1,IP:${_param:single_address},DNS:${linux:system:name},DNS:${linux:network:fqdn}
           extended_key_usage: serverAuth,clientAuth
           key_usage: "digitalSignature,nonRepudiation,keyEncipherment"
           key_file: /var/lib/etcd/etcd-server.key