reason:fix kata-runtime hungs when qemu process is D/T Signed-off-by: jikui <jikui2@huawei.com>
reason: chmod agent exec fifo to 644, because isula start container and need the permission to read from fifo file Signed-off-by: holyfei <yangfeiyu20092010@163.com>
reason: adapt with iSulad and support for new hypervisor type "stratovirt" Signed-off-by: holyfei <yangfeiyu20092010@163.com>