See https://github.com/moby/moby/issues/38887
for details. Basically 5.x removed support for
CFQ with f382fb0bcef4 ("block: remove legacy IO
schedulers") and the Moby check still requires it.
Signed-off-by: Rolf Neugebauer <rn@rneugeba.io>
Make sure we do not remove filesystems we expect to have.
Fix the failure cases for the kernel tests which were not working properly
due to shell code.
Fix some 4.11 kernel changes in config that show up once tests are fixed.
Signed-off-by: Justin Cormack <justin.cormack@docker.com>