Comment 2 for bug 1481084

Reviewed: https://review.openstack.org/208661
Committed: https://git.openstack.org/cgit/openstack/nova/commit/?id=42debc4cfdf22f72259e858d1e3e3a2ec5cf2bdd
Submitter: Jenkins
Branch: master

commit 42debc4cfdf22f72259e858d1e3e3a2ec5cf2bdd
Author: Davanum Srinivas <email address hidden>
Date: Mon Aug 3 17:26:29 2015 -0400

    Test cases for better handling of SSH key comments

    sshd man page says:
    "The optional comment field continues to the end
    of the line, and is not used."
    http://www.openbsd.org/cgi-bin/man.cgi/OpenBSD-current/man8/sshd.8?query=sshd&sec=8

    This bug has been fixed in upstream
    https://github.com/pyca/cryptography/issues/2199

    Closes-Bug: #1481084
    Depends-On: I28b7ab2e49ef4063a33c6122ea8355a16c3105a5
    Change-Id: Ic157961a4282f0d54d4682d9374c170a66ddde5c