This release includes the following changes:

• NetworkManager lists must be separated by , (#6649)
• Move from widehat.opensuse to download.opensuse for crio centos (#6682)
• fix kubelet_flexvolumes_plugins_dir undefined (#6670)
• Add Kubernetes hashes 1.19.2/1.18.9/1.17.12 and set default (#6699)
• Make sure node_ip is set if node is in etcd group (#6720)
• properly generate extravolumes in kubeadmconfig for centos (#6707)