Openshift 创建 Pod 状态状态一直处在 Pending 状态

# oc get pods
NAME             READY     STATUS    RESTARTS   AGE
hello-openshift-1-deploy   0/1      Pending    0       49s


# oc describe pod hello-openshift-1-deploy
……
    SecretName:  deployer-token-tcb2q
    Optional:    false
QoS Class:       BestEffort
Node-Selectors:  node-role.kubernetes.io/compute=true
Tolerations:     <