Okay, so I need to classify this bug report into one of the given categories. Let me read through the report carefully. The user is talking about implementing TPM2 configuration for emulators that provide a TCP interface. They mention swtpm, which offers different interfaces like unix sockets and chardev, but also a TCP interface. The advantage of TCP is that it doesn't require root permissions, making testing easier. They want QEMU to work with TPM devices over TCP. Looking at the possible categories: device, graphic, socket, network, KVM, etc. So, this seems related to how QEMU interacts with hardware emulators or devices. Since they're discussing an interface (TCP) for a TPM2 device, it's about connecting QEMU to a specific device via a certain method. The category that stands out here is 'device' because it's about configuring and using a particular device emulator in QEMU. The TCP part relates to how the device connects but falls under the broader device configuration. device