Updating mtu value to int

roles/openshift_node_group/defaults/main.yml

@@ -23,4 +23,4 @@ openshift_node_group_network_plugin_default: "{{ os_sdn_network_plugin_name | de
 openshift_node_group_network_plugin: "{{ openshift_node_group_network_plugin_default }}"
 openshift_node_group_node_data_dir_default: "{{ openshift_data_dir | default('/var/lib/origin') }}"
 openshift_node_group_node_data_dir: "{{ openshift_node_group_node_data_dir_default }}"
-openshift_node_group_network_mtu: "{{ openshift_node_sdn_mtu | default(8951) }}"
+openshift_node_group_network_mtu: "{{ openshift_node_sdn_mtu | default(8951) | int }}"

roles/openshift_node_group/templates/node-config.yaml.j2

@@ -33,7 +33,7 @@ masterClientConnectionOverrides:
   qps: 20
 masterKubeConfig: node.kubeconfig
 networkConfig:
-  mtu: "{{ openshift_node_group_network_mtu }}"
+  mtu: {{ openshift_node_group_network_mtu }}
   networkPluginName: {{ openshift_node_group_network_plugin }}
 nodeIP: ""
 podManifestConfig: null