Is there any way to apply firewall rules to passt user mode networking?

Hello, I'm testing user mode network under session mode with libvirt and passt backend, and I found that the guest vm can access the whole host LAN(host is 192.168.1.2, guest ip configured to 192.168.100.2, but guest can access 192.168.1.3, which should not be allowed). Using firewalld dropping all traffic from guest ip has no effect at all. Is there any way to prevent guest accessing host LAN, while keeping guest's internet access? Thanks!