@Nullable
    public Queue<UserSession> getLocalUserSession(ByteArrayWrapper ip) {
        return ipToSessions.get(ip);
    }
For the case that the client recovers from UDP to TCP/WebSocket: Return the local session if
the client connects to the machine that owns the existing session; Return a new session and
disconnect the remote session if the existing session is on a different machine.
turms-gateway/src/main/java/im/turms/gateway/domain/session/service/SessionService.java