Some additional testing on several computers showed, that this has nothing to do with the network bridge but the flickering icon already appears once you install QEMU from the apt sources.
-- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/1979289 Title: Network icon in GNOME title bar flickers sporadically with network bridge To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1979289/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs