Updated oslo.config requirements
Fixes RM6036: move IPAddress filter to ON clause of JOIN
Merge pull request #115 from Cerberus98/master

Implements #109
Merge pull request #116 from asadoughi/dep_fix

Updated oslo.config requirements
Merge pull request #117 from asadoughi/rm6036

Fixes RM6036: move IPAddress filter to ON clause of JOIN
Fixes #118

Filters out the first route matching 0.0.0.0/0, as we're also presenting
that route as the gateway_ip for the subnet. Presenting it as both is
redundant, and certain distros can't handle the error condition.