Fix sl-k8s-calico

Change-Id: I64235353163bd0e2006e0e98de84162f4a7f4d7b
Related-PROD: PROD-21872
diff --git a/classes/cluster/sl-k8s-calico/kubernetes/compute.yml b/classes/cluster/sl-k8s-calico/kubernetes/compute.yml
index dac84b6..6d2a3cc 100644
--- a/classes/cluster/sl-k8s-calico/kubernetes/compute.yml
+++ b/classes/cluster/sl-k8s-calico/kubernetes/compute.yml
@@ -1,6 +1,7 @@
 classes:
 - system.linux.system.repo.mcp.apt_mirantis.docker_legacy
 - system.kubernetes.pool.cluster
+- system.linux.network.hosts
 - system.salt.minion.cert.k8s_client
 - system.salt.minion.cert.etcd_client
 - cluster.sl-k8s-calico