Networking custom-docker0: Request for examples showing various configurations

[schwimmfuzzi]

I would love to see better examples on how to use these configuration options above.

File: engine/userguide/networking/default_network/custom-docker0.md, CC: @mstanleyjones

[ashishkamat2791]

added to @schwimmfuzz
I will take this up

[mdlinville]

Did you mean to submit a pull rquest for this? Make sure you submit the PR instead of referring to the issue in the commit message.