       {:error, %Ecto.Changeset{}}
 
   """
-  def update_known_host(%KnownHost{} = known_host, attrs) do
+  def update_known_host(%KnownHost{} = known_host) do
     known_host
-    |> KnownHost.changeset(attrs)
+    |> KnownHost.changeset(%{})
+    |> KnownHost.populate()
     |> Repo.update()
   end
 


  """
  def get_known_host!(id), do: Repo.get!(KnownHost, id)

  @doc """
  Creates a known_host.

  end

  @doc """
  Gets a single known_host by id.

  Raises `Ecto.NoResultsError` if the Known host does not exist.

