PAM is moving the system default configuration from /etc to /usr/etc (allowing
the admin to override directly in /etc)

This currently causes installation-images to fail, as it no longer finds the
templates in /etc

[  845s] adding package pam [1.3.1+git20190923.ea78d67-169.3.i586]
{prein,postin}
[  845s] cp: cannot stat 'tmp/rescue//etc/pam.d/common-auth': No such file or
directory
[  845s] unable to access /etc/pam.d/common-auth at lib/AddFiles.pm line 791.
[  845s] make: *** [Makefile:169: rescue] Error 1
[  845s] error: Bad exit status from /var/tmp/rpm-tmp.cUK8uI (%build)