Derp, the mounted image doesn't have folders.

rpi3-nexmon.sh

@@ -454,11 +454,9 @@ mkfs.vfat $bootp
 mkfs.ext4 $rootp
 
 # Create the dirs for the partitions and mount them
-mkdir -p ${basedir}/root/boot
-ls ${basedir} -lah
-echo "mounting root to ${basedir}/root"
+mkdir -p ${basedir}/root/
 mount $rootp ${basedir}/root
-echo "mounting boot to ${basedir}/root/boot"
+mkdir -p ${basedir}/root/boot
 mount $bootp ${basedir}/root/boot
 
 echo "Rsyncing rootfs into image file"