Gnome boxes crashes on start. Sementation fault
Here is a log:
(gnome-boxes:6746): Gtk-WARNING **: 11:07:55.427: GtkFlowBox with a model will ignore sort and filter functions
(gnome-boxes:6746): Gtk-WARNING **: 11:07:55.428: GtkListBox with a model will ignore sort and filter functions
(gnome-boxes:6746): Boxes-WARNING **: 11:07:55.830: libvirt-machine.vala:83: Failed to disable 3D Acceleration
(gnome-boxes:6746): Boxes-WARNING **: 11:07:55.835: libvirt-broker.vala:66: Failed to update domain 'ubuntu19.10-2': Failed to set domain configuration: XML error: Invalid PCI address 0000:04:00.0. slot must be >= 1
(gnome-boxes:6746): Gtk-WARNING **: 11:07:55.895: Calling org.gnome.SessionManager.Inhibit failed: GDBus.Error:org.gnome.SessionManager.GeneralError: Invalid inhibit flags
(gnome-boxes:6746): Boxes-WARNING **: 11:07:56.091: libvirt-machine.vala:83: Failed to disable 3D Acceleration
(gnome-boxes:6746): Boxes-WARNING **: 11:07:56.095: libvirt-broker.vala:66: Failed to update domain 'ubuntu19.10-3-2': Failed to set domain configuration: XML error: Invalid PCI address 0000:04:00.0. slot must be >= 1
(gnome-boxes:6746): Boxes-WARNING **: 11:07:56.154: libvirt-machine.vala:83: Failed to disable 3D Acceleration
(gnome-boxes:6746): Boxes-WARNING **: 11:07:56.158: libvirt-broker.vala:66: Failed to update domain 'ubuntu19.10-3': Failed to set domain configuration: XML error: Invalid PCI address 0000:04:00.0. slot must be >= 1
(gnome-boxes:6746): Boxes-CRITICAL **: 11:07:56.158: boxes_vm_importer_get_source_media: assertion 'self != NULL' failed Segmentation fault (core dumped)