This bug was fixed in the package appmenu-qt5 - 0.3.0+16.04.20151130-0ubuntu2
--------------- appmenu-qt5 (0.3.0+16.04.20151130-0ubuntu2) xenial; urgency=medium
* Fix for creating two or more system tray icons (LP: #1574699).
-- Dmitry Shachnev <email address hidden> Wed, 25 Jan 2017 22:52:49 +0300
This bug was fixed in the package appmenu-qt5 - 0.3.0+16. 04.20151130- 0ubuntu2
--------------- 16.04.20151130- 0ubuntu2) xenial; urgency=medium
appmenu-qt5 (0.3.0+
* Fix for creating two or more system tray icons (LP: #1574699).
-- Dmitry Shachnev <email address hidden> Wed, 25 Jan 2017 22:52:49 +0300