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A test run may create boot files several times. Delete the previous boot file before creating a new one. Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Message-ID: <20240823-san-v4-7-a24c6dfa4ceb@daynix.com> Signed-off-by: Thomas Huth <thuth@redhat.com>