docs: def output_callback(self, line, kill_switch):
          """Set status of openvpn according to what we process"""
          self.notifications += line + "\n"
  
          if "Initialization Sequence Completed" in line:
              self.started = True
          if "ERROR:" in line or "Cannot resolve host address:" in line:
              self.error = True
          if "process exiting" in line:
              self.stopped = True