diff --git a/pip/utils/outdated.py b/pip/utils/outdated.py

index 2164cc3..c71539f 100644

--- a/pip/utils/outdated.py

+++ b/pip/utils/outdated.py

@@ -92,6 +92,21 @@ def load_selfcheck_statefile():

         return GlobalSelfCheckState()

+def pip_installed_by_pip():

+    """Checks whether pip was installed by pip

+

+    This is used not to display the upgrade message when pip is in fact

+    installed by system package manager, such as dnf on Fedora.

+    """

+    import pkg_resources

+    try:

+        dist = pkg_resources.get_distribution('pip')

+        return (dist.has_metadata('INSTALLER') and

+                'pip' in dist.get_metadata_lines('INSTALLER'))

+    except pkg_resources.DistributionNotFound:

+        return False

+

+

 def pip_version_check(session):

     """Check for an update for pip.

@@ -141,7 +156,8 @@ def pip_version_check(session):

         # Determine if our pypi_version is older

         if (pip_version < remote_version and

-                pip_version.base_version != remote_version.base_version):

+                pip_version.base_version != remote_version.base_version and

+                pip_installed_by_pip()):

             # Advise "python -m pip" on Windows to avoid issues

             # with overwriting pip.exe.

             if WINDOWS: