tramp-get-connection-property mutex looping

[積丹尼 Dan Jacobson]

(setq tramp-verbose 10) reveals millions of
09:52:50.022942 tramp-get-connection-property (7) # process-name nil
09:52:50.023113 tramp-get-connection-property (7) # mutex #<mutex *tramp/ssh 
android*>
09:52:50.023432 tramp-get-connection-property (7) # process-name nil
09:52:50.057870 tramp-get-connection-property (7) # process-name nil
09:52:50.058078 tramp-get-connection-property (7) # mutex #<mutex *tramp/ssh 
android*>
09:52:50.058495 tramp-get-connection-property (7) # process-name nil
09:52:50.091682 tramp-get-connection-property (7) # process-name nil
09:52:50.091851 tramp-get-connection-property (7) # mutex #<mutex *tramp/ssh 
android*>
09:52:50.092175 tramp-get-connection-property (7) # process-name nil

OK maybe it is trying to keep idle connections alive.
But once every four minutes would be enough.