Comment 4 for bug 1647389

I have seen an issue that seems it could be related:

ec 5 17:52:53 os-nova-compute libvirtd[40142]: failed to connect to monitor socket: No such process
Dec 5 17:52:53 os-nova-compute virtlogd[6936]: End of file while reading data: Input/output error
Dec 5 17:52:54 os-nova-compute libvirtd[40142]: internal error: End of file from monitor

root@os-nova-compute:~# dpkg-query -W qemu-system-x86
qemu-system-x86 1:2.5+dfsg-5ubuntu10.6
root@os-nova-compute:~# qemu-system-x86_64 --version
QEMU emulator version 2.5.0 (Debian 1:2.5+dfsg-5ubuntu10.6), Copyright (c) 2003-2008 Fabrice Bellard
root@os-nova-compute:~# uname -a
Linux os-nova-compute 4.4.0-47-generic #68-Ubuntu SMP Wed Oct 26 19:39:52 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
root@os-nova-compute:~#