I think I am having the same problem. I am running 16.04.3 LTS. I tried apt-get update and apt-get upgrade, but the software revision levels did not change, still at 1.3.1.
root@jeff-desktop:/home/jeffs/work/juniper/vmx-17.2R.13# dpkg -l "*libvirt*" Desired=Unknown/Install/Remove/Purge/Hold | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad) ||/ Name Version Architecture Description +++-======================================-========================-========================-================================================================================= ii gir1.2-libvirt-glib-1.0:amd64 0.2.2-0.1ubuntu1 amd64 libvirt glib mainloop integration ii libvirt-bin 1.3.1-1ubuntu10.12 amd64 programs for the libvirt library un libvirt-daemon <none> <none> (no description available) un libvirt-daemon-system <none> <none> (no description available) ii libvirt-glib-1.0-0:amd64 0.2.2-0.1ubuntu1 amd64 libvirt glib mainloop integration ii libvirt0:amd64 1.3.1-1ubuntu10.12 amd64 library for interfacing with different virtualization systems ii python-libvirt 1.3.1-1ubuntu1 amd64 libvirt Python bindings root@jeff-desktop:/home/jeffs/work/juniper/vmx-17.2R.13# However, I looked at the directory, and I see named sockets but they don't have the names anticipated: root@jeff-desktop:/home/jeffs/work/juniper/vmx-17.2R.13# virsh net-edit ? error: failed to connect to the hypervisor error: no valid connection error: Failed to connect socket to '/var/run/libvirt/libvirt-sock': No such file or directory root@jeff-desktop:/home/jeffs/work/juniper/vmx-17.2R.13# ls -l /var/run/libvirt/libvirt-sock ls: cannot access '/var/run/libvirt/libvirt-sock': No such file or directory root@jeff-desktop:/home/jeffs/work/juniper/vmx-17.2R.13# ls -l /var/run/libvirt total 0 drwxr-xr-x 2 root root 40 Aug 3 12:58 hostdevmgr drwxr-xr-x 2 root root 40 Aug 3 12:58 lxc drwxr-xr-x 2 root root 100 Aug 3 23:02 network drwxr-xr-x 2 root root 40 Aug 3 12:58 qemu drwxr-xr-x 2 root root 40 Aug 3 12:58 storage drwxr-xr-x 2 root root 40 Aug 3 12:58 uml-guest srw-rw-rw- 1 root root 0 Aug 3 12:58 virtlockd-sock srw-rw-rw- 1 root root 0 Aug 3 12:58 virtlogd-sock root@jeff-desktop:/home/jeffs/work/juniper/vmx-17.2R.13# What do I do next? Thank you Jeff -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1583009 Title: Error starting domain since update To manage notifications about this bug go to: https://bugs.launchpad.net/cloud-archive/+bug/1583009/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs