[twobob]

[root@kindle lib]# LD_DEBUG=libs grep -v


SNIP

11573:	find library=ld-linux-armhf.so.3 [0]; searching
     11573:	 search path=/mnt/us/extensions/system/lib:/usr/local/lib/tls/v7l/neon/vfp:/usr/local/lib/tls/v7l/neon:/usr/local/lib/tls/v7l/vfp:/usr/local/lib/tls/v7l:/usr/local/lib/tls/neon/vfp:/usr/local/lib/tls/neon:/usr/local/lib/tls/vfp:/usr/local/lib/tls:/usr/local/lib/v7l/neon/vfp:/usr/local/lib/v7l/neon:/usr/local/lib/v7l/vfp:/usr/local/lib/v7l:/usr/local/lib/neon/vfp:/usr/local/lib/neon:/usr/local/lib/vfp:/usr/local/lib		(LD_LIBRARY_PATH)
     11573:	  trying file=/mnt/us/extensions/system/lib/ld-linux-armhf.so.3
     11573:	  trying file=/usr/local/lib/tls/v7l/neon/vfp/ld-linux-armhf.so.3
     11573:	  trying file=/usr/local/lib/tls/v7l/neon/ld-linux-armhf.so.3
     11573:	  trying file=/usr/local/lib/tls/v7l/vfp/ld-linux-armhf.so.3
     11573:	  trying file=/usr/local/lib/tls/v7l/ld-linux-armhf.so.3
     11573:	  trying file=/usr/local/lib/tls/neon/vfp/ld-linux-armhf.so.3
     11573:	  trying file=/usr/local/lib/tls/neon/ld-linux-armhf.so.3
     11573:	  trying file=/usr/local/lib/tls/vfp/ld-linux-armhf.so.3
     11573:	  trying file=/usr/local/lib/tls/ld-linux-armhf.so.3
     11573:	  trying file=/usr/local/lib/v7l/neon/vfp/ld-linux-armhf.so.3
     11573:	  trying file=/usr/local/lib/v7l/neon/ld-linux-armhf.so.3
     11573:	  trying file=/usr/local/lib/v7l/vfp/ld-linux-armhf.so.3
     11573:	  trying file=/usr/local/lib/v7l/ld-linux-armhf.so.3
     11573:	  trying file=/usr/local/lib/neon/vfp/ld-linux-armhf.so.3
     11573:	  trying file=/usr/local/lib/neon/ld-linux-armhf.so.3
     11573:	  trying file=/usr/local/lib/vfp/ld-linux-armhf.so.3
     11573:	  trying file=/usr/local/lib/ld-linux-armhf.so.3

/SNIP

grep: error while loading shared libraries: ld-linux-armhf.so.3: cannot open shared object file: No such file or directory
[root@kindle lib]# LD_DEBUG=libs /mnt/us/extensions/system/bin/busybox
-sh: /mnt/us/extensions/system/bin/busybox: not found
[root@kindle lib]# cd /mnt/us/extensions/system/bin
[root@kindle bin]# LD_DEBUG=libs ./busybox                            
-sh: ./busybox: not found

seems to not be finding it or not finding something it can use anyhow.