update to latest 2.26.0 kubespray version and add dns zones settings to coredns

kubespray/project/roles/kubernetes-apps/ansible/defaults/main.yml

@@ -16,8 +16,6 @@ coredns_ordinal_suffix: ""
 coredns_deployment_nodeselector: "kubernetes.io/os: linux"
 coredns_default_zone_cache_block: |
   cache 30
-coredns_host_network: false
-coredns_port: 53
 
 coredns_pod_disruption_budget: false
 # value for coredns pdb
@@ -96,6 +94,11 @@ netchecker_server_user: 1000
 netchecker_agent_group: 1000
 netchecker_server_group: 1000
 
+# Log levels
+netchecker_agent_log_level: 5
+netchecker_server_log_level: 5
+netchecker_etcd_log_level: info
+
 # Dashboard
 dashboard_replicas: 1