JingmingZhang

## context We use Okta as the LDAP source. when we sync Org2Org, some imported groups named: "name + timestamp". Then `:` exists in the new name. `file_formats` get error...

## issue kubelet start failed after sysbox install. error msg: ``` kubelet --kubeconfig=/etc/kubernetes/ssl/kubecfg-kube-node.yaml --eviction-hard=memory.available