code: def _termination_callback(self, returncode):
          
  
          if self.status == "started":
              self.status = "stopped"
              log.info("Dynamips hypervisor process has stopped, return code: %d", returncode)
              if returncode != 0:
                  self.project.emit("log.error", {"message": "Dynamips hypervisor process has stopped, return code: {}\n{}".format(returncode, self._hypervisor.read_stdout())})
docs: Called when the process has stopped.
  
          :param returncode: Process returncode