Updated openstack/openstack
Project: openstack/oslo-incubator  9502a21bfcc7a611a490e3986476f0ebba48dcb3

Use the standard python logging in network_utils

Instead of pulling in the oslo incubator logging (which
pulls in oslo.config) in the network_utils module (in this
module using oslo incubator logging adds no benefit) just
use the standard python logging which has no such dependency
chain.

Change-Id: Id100286ef020a14a102af7499ae72c849d6468b9