Build an image with PAM and multilib enabled and do_rootfs fails: error: file /usr/sbin/unix_chkpwd conflicts between attempted installs of pam-plugin-unix-1.2.1-r5.43.corei7_64 and pam-plugin-unix-1.2.1-r5.11.core2_64 error: file /usr/sbin/unix_update conflicts between attempted installs of pam-plugin-unix-1.2.1-r5.43.corei7_64 and pam-plugin-unix-1.2.1-r5.11.core2_64
Closing, wiped my tmp and it went away - I must have broken something.