Comment 43 for bug 1573095

I just added a bunch of other bugs that really are dups of this.
The goal of doing so is just to inform whoever might be looking at making a change to more context on the unfortunate complexity of doing so.

Related bugs:
 * bug 1016695: add console=tty1 to cloud-image kernel boot parameters
 * bug 1123220: cloud-image VM causes kernel panic if image is resized
 * bug 1061977: Machine fails to commission when console=ttyS0 is present on kernel opts
 * bug 1573095: Cloud images fail to boot when a serial port is not available
 * bug 1122245: booting from a cloud image hangs until virsh console is used