internal error: unable to execute QEMU command 'change'

virsh change-media cfg hdc --insert /mnt/vgl/kvm/part.iso
error: Failed to complete action insert on media
error: internal error: unable to execute QEMU command 'change': Could not open '/mnt/vgl/kvm/part.iso': Permission denied

virsh attach-disk cfg /mnt/vgl/kvm/part.iso hdc --type cdrom --mode readonly
error: Failed to attach disk
error: internal error: unable to execute QEMU command 'change': Could not open '/mnt/vgl/kvm/part.iso': Permission denied

ls -la /mnt/vgl/kvm/part.iso
-rw-rw-rw- 1 hint virt 86267904 Oct  5 04:52 /mnt/vgl/kvm/part.iso

user = "hint"
group = "virt"
security_driver = "apparmor" #Пробовал ставить "none" не помогает

id hint
uid=1000(hint) gid=1000(hint) groups=1000(hint),24(cdrom),27(sudo),29(audio),114(kvm),1001(virt),1002(power)