Dial connects to the CID.Port via virtio sockets.

Listen returns a net.Listener which can accept connections on the given port.

SocketMode is a NOOP on Linux.

2^32-1.

CIDHost is the reserved CID for the host system.

CIDHypervisor is the reserved CID for the Hypervisor.

Addr represents the address of a vsock end point.

Conn is a vsock connection which supports half-close.