add bridge failed: Package not installed Linux Bridge Not working Ubuntu Mint Debian solution

If you get this error in your logs:

add bridge failed: Package not installed

This error normally means one of two things.

1.) Is your brctl (bridge-utils) installed?

On Mint/Debian check for "brctl". If it's not there do

sudo apt install bridge-utils uml-utilities

2.) Is your bridge.ko (bridge kernel module loaded?).

On some installs I have seen that you cannot modprobe bridge.ko (it fails) because your list of dependencies is broken for some reason.

Do this to restore a list of modules:

sudo depmod

Then try to modprobe bridge again

modprobe bridge

3.) If the bridge.ko is missing make sure you install the package for your kernel that contains the modules

eg: linux-modules-extra-generic linux-modules

After fixing everything, this should now work:

brctl addbr br0


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