(bug-fix:minor) Restore old shares before leaving the system identification 'run' method.
(bug-fix:minor) Restore old shares before leaving the system identification 'run' method.

(bug-fix:minor) Wrong computation of logged time.

(change:minor) Added some debugging messages.
sguazt/dcsxx-testbed,sguazt/prometheus,sguazt/prometheus,sguazt/prometheus