panel keyboard navigation trapped by drop-down menus

Binary package hint: indicator-applet

while trying to find a way to access the session-menu via keyboard i found that there is an shortcut <ctrl>+<alt>+<esc> to access the gnome-panel.
however, when using the arrow-keys to navigate trough the different applets placed there, the focus gets trapped by the indicator applet:
there is no way to escape the volume-menu and the messaging-menu.
once opened, they can be closed by pressing <esc> *only*, not even the mouse helps here.

the same happens when you hit the application menu.
this behavior is likely to happen to the session-menu too, but i didn't manage to get there by keyboard.

mind that opening those menus by mouse can be beaten by pressing esc, while opening them by keyboard can't be beaten by mouse.

ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: indicator-applet 0.3.4-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.32-17.26-generic 2.6.32.10+drm33.1
Uname: Linux 2.6.32-17-generic x86_64
NonfreeKernelModules: wl
Architecture: amd64
CheckboxSubmission: 1a553d64b1be5b22f6ee04c33f05982b
CheckboxSystem: b845c366ea09c60efa3a45c1b5b21525
Date: Mon Mar 29 01:19:41 2010
ExecutablePath: /usr/lib/indicator-applet/indicator-applet
InstallationMedia: Error: [Errno 13] Permission denied: '/var/log/installer/media-info'
ProcEnviron:
 LANG=de_DE.utf8
 SHELL=/bin/bash
SourcePackage: indicator-applet