Comment # 4 on bug 1200457 from Matwey Kornilov

You are right, I see the following:

    overlay on /etc type overlay
(rw,relatime,seclabel,lowerdir=/sysroot/var/lib/overlay/3/etc:/sysroot/etc,upperdir=/sysroot/var/lib/overlay/4/etc,workdir=/sysroot/var/lib/overlay/4/work-etc)

However, iscsi doesn't start.