[libvirt] I have no idea why the current version of libvirt works for anyone in enforcing mode.

[Daniel J Walsh]

Libvirt is executing qemu requiring it to execute pulseaudio which would 
require the folowing permissions,

#============= svirt_t ==============
allow svirt_t admin_home_t:dir setattr;
allow svirt_t admin_home_t:file { read write };
allow svirt_t pulseaudio_port_t:tcp_socket name_connect;
allow svirt_t svirt_tmpfs_t:file read;
allow svirt_t user_tmpfs_t:file read;

Since qemu(svirt_t) is not allowed these permissions, pulseaudio crashes 
and qemu dies.

I believe you need to run without sound if you are running as root.

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