Relevant quote from libvirt debug log: 2016-01-07 03:30:49.042+0000: 1177: info : virDBusCall:1548 : DBUS_METHOD_CALL: 'org.freedesktop.machine1.Manager.CreateMachineWithNetwork' on '/org/freedesktop/machine1' at 'org.freedesktop.machine1' 2016-01-07 03:30:49.088+0000: 1177: info : virDBusCall:1558 : DBUS_METHOD_ERROR: 'org.freedesktop.machine1.Manager.CreateMachineWithNetwork' on '/org/freedesktop/machine1' at 'org.freedesktop.machine1' error org.freedesktop.DBus.Error.PropertyReadOnly: Cannot set property Before, or unknown property. 2016-01-07 03:30:49.088+0000: 1177: error : virSystemdCreateMachine:291 : Cannot set property Before, or unknown property.
** Attachment added: "libvirtd debug log" https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/1529079/+attachment/4545340/+files/libvirtd%20debug%20log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1529079 Title: Can't start virtual machines after upgrade to Xenial To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/1529079/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs