diff --git a/tools/virtualenvs/README.adoc b/tools/virtualenvs/README.adoc
index f9578e6565a..e60680aa1c1 100644
--- a/tools/virtualenvs/README.adoc
+++ b/tools/virtualenvs/README.adoc
@@ -22,3 +22,16 @@ Symbolic links without the `-<date>` suffix are provided as useful shortcuts but
 AgnosticV virtual environment configurations should always target specific dated versions.
 
 A number of legacy virtual environments are also managed here and should be gradually phased out and removed.
+
+=== Known issues ===
+
+.error with AWS CLI
+----
+"stderr_lines": ["Traceback (most recent call last):", "  File \"/usr/local/bin/aws\", line 33, in <module>", "    sys.exit(load_entry_point('aws==0.2.5', 'console_scripts', 'aws')())", "  File \"/usr/local/bin/aws\", line 25, in importlib_load_entry_point", "    return next(matches).load()", "  File \"/usr/local/lib/python3.6/site-packages/importlib_metadata/__init__.py\", line 194, in load", "    module = import_module(match.group('module'))", "  File \"/usr/lib64/python3.6/importlib/__init__.py\", line 126, in import_module", "    return _bootstrap._gcd_import(name[level:], package, level)", "  File \"<frozen importlib._bootstrap>\", line 994, in _gcd_import", "  File \"<frozen importlib._bootstrap>\", line 971, in _find_and_load", "  File \"<frozen importlib._bootstrap>\", line 955, in _find_and_load_unlocked", "  File \"<frozen importlib._bootstrap>\", line 665, in _load_unlocked", "  File \"<frozen importlib._bootstrap_external>\", line 674, in exec_module", "  File \"<frozen importlib._bootstrap_external>\", line 781, in get_code", "  File \"<frozen importlib._bootstrap_external>\", line 741, in source_to_code", "  File \"<frozen importlib._bootstrap>\", line 219, in _call_with_frames_removed", "  File \"/usr/local/lib/python3.6/site-packages/aws/main.py\", line 23", "    print '%(name)s: %(endpoint)s' % {", "                                 ^", "SyntaxError: invalid syntax"], "stdout": "", "stdout_lines": []}
+----
+
+* impacted:
+** ansible2.9-python3.6-2021-01-22
+** ansible2.9-python3.6-2021-09-02
+* Cause: because of https://github.com/eofs/aws conflicting package
+* Solution: use ansible2.9-python3.6-2021-10-20 virtualenv