+DebugFlag('VIOIface', 'VirtIO transport')
+DebugFlag('VIOConsole', 'VirtIO console device')
+DebugFlag('VIOBlock', 'VirtIO block device')
+DebugFlag('VIO9P', 'General 9p over VirtIO debugging')
+DebugFlag('VIO9PData', 'Dump data in VirtIO 9p connections')