Error message is related to init image, not on boot.
@@ -179,7 +179,7 @@ func extractReferences(m *Moby) error {
for _, ii := range m.Init {
r, err := reference.Parse(ii)
if err != nil {
- return fmt.Errorf("extract on boot image reference: %v", err)
+ return fmt.Errorf("extract init image reference: %v", err)
}
m.initRefs = append(m.initRefs, &r)
}
