docker: Use unconfined security profile

Some by default blocked syscalls are required to run tests for example
userfaultfd.

Reviewed-by: Kashyap Chamarthy <kchamart@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
Message-Id: <20170905025614.579-4-famz@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Based-on: 20170905021201.25684-1-famz@redhat.com

tests/docker/Makefile.include

@@ -145,6 +145,7 @@ docker-run: docker-qemu-src
 	$(call quiet-command,						\
 		$(SRC_PATH)/tests/docker/docker.py run 			\
 			$(if $(NOUSER),,-u $(shell id -u)) -t 		\
+			--security-opt seccomp=unconfined		\
 			$(if $V,,--rm) 					\
 			$(if $(DEBUG),-i,)				\
 			$(if $(NETWORK),$(if $(subst $(NETWORK),,1),--net=$(NETWORK)),--net=none) \