I had the exact same happen yesterday. The fix common problems plugin reported exactly the same. @limetech I usual only have 1 physical nic in use with the standard br0 and virbr0. A couple days ago I had set up a bridge on a second ethernet port without a cable connected and an fixed ip 192.168.0.6/24 No issues on RC5. Dockers worked as usual and no errors in FCP. I only used that new bridge on one single VM for testing but reverted back to br0. I forgot to remove the br2 again. On RC6 yesterda