现象:错误:无效参数:could not find capabilities for arch=aarch64
解决:
qemu源码编译:(需要指定--cpu=aarch64)
./configure --target-list=arm-softmmu,aarch64-softmmu --enable-kvm --enable-rbd --enable-vnc --prefix=/usr/local --cpu=aarch64
make
make install
最后重启libvirtd服务:systemctl restart libvirtd