It's sad to think that everyone had to work so hard to solve a problem whose solution is 27 years old. One day we'll just be able to run `ip -6 addr show scope

It's sad to think that everyone had to work so hard to solve a problem whose solution is 27 years old. One day we'll just be able to run `ip -6 addr show scope global` and get the correct answer without wasting everyone's bandwidth and compute.