Since zz-auto-resume is absent, please show the output of 'unmkinitramfs /boot/initrd.img /tmp/initrd; ls /tmp/initrd/main/conf/conf.d/'.
Since zz-auto-resume is absent, please show the output of 'unmkinitramfs /boot/initrd.img /tmp/initrd; ls /tmp/initrd/ main/conf/ conf.d/ '.