Updated openstack/openstack
Project: openstack/neutron  1974244531d636e32188a99e906443bc7d48bdb7

Merge multiple constants defining linux interface maximum length

DEVICE_NAME_MAX_LEN constant in neutron.common.constants replaces
and correct multiple constants defining linux interface maximum
length.

Closes-Bug: #1332571
Change-Id: I63f760a21e17dcd57b3685b1e71c913d2722e097