I am running Ubuntu 15.04 on VMWare. For the last couple of days I have the issue that I have a "magic" network bridge:

Magic bridge

I never created this bridge and therefore I tried to delete it with the following commands:

# ip link set br-97843df62fc9 down
# brctl delbr br-97843df62fc9

That works fine until I've rebooted my VM... After the reboot the bridge was back.. I guess some program or service is adding the bridge on startup. Recently I have installed a Jetty plugin for IntelliJ for testing and a local Cassandra installation (I already uninstalled Cassandra which didn't fix my issue)

Does somebody know how I can permanently delete this bridge?

  • Installed Docker recently? – xenoid Sep 4 '19 at 6:29

I had a similar issue after following this guide [1] and then wanting to get rid of the bridge again.

It turned out that the mere fact that br0 was mentioned in hostapd.conf caused it to show up again, even after deleting it in every way I could think of. Hope that helps someone else.. :)

bridge=br0 <- delete!

[1] https://www.raspberrypi.org/documentation/configuration/wireless/access-point.md

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