With 4 simultaneous instances I still could nto reproduce this. Again, I removed 'console=ttyS0' from /boot/grub/grub.cfg (with the qcow file mounted over qemu-nbd), and had to wait for cloud-init to time out on its attempts to contact a provider.
With 4 simultaneous instances I still could nto reproduce this. Again, I removed 'console=ttyS0' from /boot/grub/grub.cfg (with the qcow file mounted over qemu-nbd), and had to wait for cloud-init to time out on its attempts to contact a provider.