as ostree has been removed:
Removing packages from artful:
flatpak 0.8.7-4 in artful s390x
flatpak-builder 0.8.7-4 in artful s390x
flatpak-tests 0.8.7-4 in artful s390x
gir1.2-flatpak-1.0 0.8.7-4 in artful s390x
libflatpak-dev 0.8.7-4 in artful s390x
libflatpak0 0.8.7-4 in artful s390x
gnome-software 3.26.0-0ubuntu1 in artful s390x
gnome-software-dev 3.26.0-0ubuntu1 in artful s390x
gnome-software-plugin-flatpak 3.26.0-0ubuntu1 in artful s390x
gnome-software-plugin-limba 3.26.0-0ubuntu1 in artful s390x
gnome-software-plugin-snap 3.26.0-0ubuntu1 in artful s390x
Comment: desktop isn't a target for s390x and ostree has been removed (which is a dep). Bug #1712083
Remove [y|N]? y
11 packages successfully removed.
as ostree has been removed: software- plugin- flatpak 3.26.0-0ubuntu1 in artful s390x software- plugin- limba 3.26.0-0ubuntu1 in artful s390x software- plugin- snap 3.26.0-0ubuntu1 in artful s390x
Removing packages from artful:
flatpak 0.8.7-4 in artful s390x
flatpak-builder 0.8.7-4 in artful s390x
flatpak-tests 0.8.7-4 in artful s390x
gir1.2-flatpak-1.0 0.8.7-4 in artful s390x
libflatpak-dev 0.8.7-4 in artful s390x
libflatpak0 0.8.7-4 in artful s390x
gnome-software 3.26.0-0ubuntu1 in artful s390x
gnome-software-dev 3.26.0-0ubuntu1 in artful s390x
gnome-
gnome-
gnome-
Comment: desktop isn't a target for s390x and ostree has been removed (which is a dep). Bug #1712083
Remove [y|N]? y
11 packages successfully removed.