  void SetUp() override {
    lderr(g_ceph_context) << __func__ << " start set up " << GetParam() << dendl;
    server_msgr = Messenger::create(g_ceph_context, string(GetParam()), entity_name_t::OSD(0), "server", getpid(), 0);
    client_msgr = Messenger::create(g_ceph_context, string(GetParam()), entity_name_t::CLIENT(-1), "client", getpid(), 0);
    server_msgr->set_default_policy(Messenger::Policy::stateless_server(0));
    client_msgr->set_default_policy(Messenger::Policy::lossy_client(0));
  }
  void SetUp() override {
    lderr(g_ceph_context) << __func__ << " start set up " << GetParam() << dendl;
    server_msgr = Messenger::create(g_ceph_context, string(GetParam()), entity_name_t::OSD(0), "server", getpid(), 0);
    client_msgr = Messenger::create(g_ceph_context, string(GetParam()), entity_name_t::CLIENT(-1), "client", getpid(), 0);
    server_msgr->set_default_policy(Messenger::Policy::stateless_server(0));
    client_msgr->set_default_policy(Messenger::Policy::lossy_client(0));
  }