Add FTAG known warning.

Phys/StrippingCache/options/SuppressLogMessages.py

@@ -32,7 +32,8 @@ IGNORED_MESSAGES = map(re.compile,
                         r'Using non-default global tracking cuts: ',
                         r'file .* already included, ignored',
                         r'something else configured a decoder already, .*',
-                        r'Property .* is set in both .* and .*, using .*'
+                        r'Property .* is set in both .* and .*, using .*',
+                        r'No line has been selected to go to the FTAG stream .*'
                        ))
 
 _orig_log_filter = log.filter