Solve qemu long rng initialization problem
Expose a fake hardware rng on the guest, linked to the host's /dev/urandom.
@@ -97,6 +97,8 @@ class QemuCommand(object):
"-serial", "tcp:127.0.0.1:%d,server,nowait" % self.serial_port,
"-m", "1G",
"-usb",
+ "-object", "rng-random,id=rng0,filename=/dev/urandom",
+ "-device", "virtio-rng-pci,rng=rng0",
"-device", "usb-tablet",
"-show-cursor",
"-vga", "std",
