reproduce:
        git remote add opencloudos https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
        git fetch --no-tags opencloudos linux-5.4/lts/5.4.119-20.0009.spr
        git checkout 3fc743601586ae7d5e07907a94af65a8112159d4
        # choose either of the following two methods to reproduce the issue
        # 1. reproduce by kismet
           # install kmax per https://github.com/paulgazz/kmax/blob/master/README.md
           kismet --linux-ksrc=linux --selectees CONFIG_IMS_MSI_ARRAY --selectors CONFIG_VFIO_MDEV_IDXD -a=x86_64
        # 2. reproduce by make
           cd linux
           # download the config file from the "config:" link in the report, and save it as .config
           make ARCH=x86_64 olddefconfig