graph: do not error out if images can't be restored
graph: do not error out if images can't be restored

Signed-off-by: Antonio Murdaca <f9809039ea4850e75dcb8d80b778844aa463358f@redhat.com>
(cherry picked from commit eaa4047792d2495276383332c4ad4c573e5e8275)

solanolabs/docker,solanolabs/docker,solanolabs/docker