Fix vsock qemu command for clients
Fix vsock qemu command for clients

Before this commit, virthck assign the same cid for both clients
so it wasn't possible to start both clients at the same time.
Now each client has a different cid.

Signed-off-by: Ali Abu-Foul <b42a6d93d796915222f6ffb2ffdd6137d93c1cdb@daynix.com>

daynix/VirtHCK