docker-tools: add a test for permissions issues with AUFS/overlay

docker# [   11.054736] d24d6cdd57c9[763]: /bin/bash: error while loading
shared libraries: libreadline.so.7: cannot open shared object file:
Permission denied
docker# /bin/bash: error while loading shared libraries:
libreadline.so.7: cannot open shared object file: Permission denied
docker: exit status 127
docker: output:
error: command `docker run --rm -u 1000:1000 bash /bin/bash --version'
did not succeed (exit code 127)
command `docker run --rm -u 1000:1000 bash /bin/bash --version' did not
succeed (exit code 127)