curl "http:/localhost:8181/rests/data/network-topology:network-topology/topology=topology-netconf/node=after-disaster/yang-ext:mount/tapi-common:context?content=non-config" -u "admin:admin"

{
  "errors": {
    "error": [
      {
        "error-tag": "invalid-value",
        "error-info": "Value can be 'all', 'config' or 'non-config', not 'non-config'",
        "error-message": "Invalid content value: Value can be 'all', 'config' or 'non-config', not 'non-config'",
        "error-type": "protocol"
      }
    ]
  }