client->ops->link_status_change(handle, !!link_state);
if (rclient && rclient->ops->link_status_change)
rclient->ops->link_status_change(rhandle, !!link_state);
client->ops->link_status_change(handle, !!link_state);
if (rclient && rclient->ops->link_status_change)
rclient->ops->link_status_change(rhandle, !!link_state);