Added information regarding url for the dl image

box.py

@@ -978,7 +978,8 @@ class Image:
             return True
 
         fname = os.path.join(CACHE_DIR, self._img_fname)
-        LOG.header('Downloading image %s', self._img_fname)
+        LOG.header('Downloading image %s from %s', self._img_fname,
+                   self._img_url)
         Run(['wget', '-q', self._img_url, '-O', fname])
 
         if not self._checksum():
@@ -1048,7 +1049,7 @@ class CentosStream(Image):
     IMG = '.*(CentOS-Stream-GenericCloud-%s-[0-9]+.[0-9].%s.qcow2).*'
     CHKS = "CHECKSUM"
 
-    def __init__(self, vbox, version, arch, release):
+    def __init__(self, vbox, version, arch, release, fname=None):
         super().__init__(vbox, version, arch, release)
         self._checksum_file = '%s-centos-stream-%s-%s' % (self.CHKS, version,
                                                           arch)