xxx@Azure:~$ az ad sp create-for-rbac
Retrying role assignment creation: 1/36
{
"appId": "401143c2-95ef-4792-9900-23e07f7801e7",
"displayName": "azure-cli-2018-07-10-20-31-57",
"name": "http://azure-cli-2018-07-10-20-31-57",
"password": "a0471d14-9300-4177-ab08-5c45adb3476b",
"tenant": "e569f29e-b008-4cea-b6f0-48fa8532d64a"
}