SSH module is not showing live stdout/stderr

The IOBuffer object that is meant to show realtime messages coming from
the SSH commands was not passed to the event loop. Instead, it was
called as a normal callback. asyncio.ensure_future() is now used to
ensure that task will run.

libkirk/ssh.py

@@ -38,7 +38,7 @@ def data_received(self, data, _) -> None:
             self._output.append(data)
 
             if self._iobuffer:
-                self._iobuffer.write(data)
+                asyncio.ensure_future(self._iobuffer.write(data))
 
             if "Kernel panic" in data:
                 self._panic = True