[eyome@Archlinux ~]$  gnome-boxes          

(gnome-boxes:11315): Gtk-WARNING **: Theme directory  of theme EvoPop has no size field


(gnome-boxes:11315): Gtk-WARNING **: Theme directory 22x22@2x/actions of theme EvoPop has no size field


(gnome-boxes:11315): Gtk-WARNING **: Theme directory 22x22@2x/animations of theme EvoPop has no size field


(gnome-boxes:11315): Gtk-WARNING **: Theme directory 22x22@2x/apps of theme EvoPop has no size field


(gnome-boxes:11315): Gtk-WARNING **: Theme directory 22x22@2x/categories of theme EvoPop has no size field


(gnome-boxes:11315): Gtk-WARNING **: Theme directory 22x22@2x/devices of theme EvoPop has no size field


(gnome-boxes:11315): Gtk-WARNING **: Theme directory 22x22@2x/panel of theme EvoPop has no size field


(gnome-boxes:11315): Gtk-WARNING **: Theme directory 22x22@2x/places of theme EvoPop has no size field


(gnome-boxes:11315): Tracker-WARNING **: tracker-backend.vala:211: Falling back to bus backend, the direct backend failed to initialize: Locale change detected (DB:fr_FR.UTF-8, User/App:C)

(gnome-boxes:11315): Libvirt.GObject-CRITICAL **: gvir_storage_vol_get_info: assertion 'GVIR_IS_STORAGE_VOL(vol)' failed
Segmentation fault (core dumped)
[eyome@Archlinux ~]$