I missed the last message from the log, sorry:
audit: type=1400 audit(1427810727.733:51): apparmor="DENIED" operation="mknod" profile="libvirt-5b2de2b1-0776-4d51-92cc-c4356daa075a" name="/var/lib/libvirt/qemu/channel/target/fedora20-cloud.org.qemu.guest_agent.0" pid=3147 comm="qemu-system-x86" requested_mask="c" denied_mask="c" fsuid=119 ouid=119
I missed the last message from the log, sorry:
audit: type=1400 audit(142781072 7.733:51) : apparmor="DENIED" operation="mknod" profile= "libvirt- 5b2de2b1- 0776-4d51- 92cc-c4356daa07 5a" name="/ var/lib/ libvirt/ qemu/channel/ target/ fedora20- cloud.org. qemu.guest_ agent.0" pid=3147 comm="qemu- system- x86" requested_mask="c" denied_mask="c" fsuid=119 ouid=119