Alright, let me try to figure out how to classify this bug report. The issue is about QEMU's network forwarding not working as expected when the `restrict=on` option is used. The user set up a guest-only network and wants to access SSH on the guest externally. They're using specific command-line arguments for port forwarding, but with `restrict=yes`, other systems can't reach the forwarded port—only the host can. Looking at the provided categories, I need to determine which one fits best. The problem is related to network configuration and port forwarding in QEMU. The possible options include 'network' and 'other'. Since it's directly about how network devices are configured and their behavior, especially concerning port forwarding restrictions, 'network' seems appropriate. I don't think it's 'device' because that usually refers to hardware devices or peripherals connected via USB or similar. It's more about the network setup rather than a specific device. So, categorizing this under 'network' makes sense as it pertains to how QEMU handles network forwarding and restrictions in user-mode networking. network