didn't match Pod's node affinity/selector

0/2 nodes are available: 1 Too many pods, 1 nodes(s) didn't match Pod's node affinity/selector

0/24 nodes are available: 0/24 nodes are available: 1 node(s) didn't match pod anti-affinity rules, 1 node(s) were unschedulable, 2 node(s) had taint {node.kubernetes.io/not-ready}, that the pod did not tolerate, 20 node(s) didn't match Pod's node affinity/selector. 

• Kubernetes pod affinity and anti affinity

• Kubernetes selectors, PodSelector:, labelSelector:, spec.selector
• Kubernetes pod affinity and anti affinity, Kubernetes Node Affinity, default-scheduler, affinity:, NodeAffinity, spec.affinity.podAntiAffinity