Fix. Do not set nr_requests for Device Mapper which causes I/O error.
Fix. Do not set nr_requests for Device Mapper which causes I/O error.

Signed-off-by: Krzysztof Wilczynski <9bf091559fc98493329f7d619638c79e91ccf029@linux.com>

kwilczynski/packer-templates,kwilczynski/packer-templates