Comment 9 for bug 1890539

Reviewed: https://review.opendev.org/747065
Committed: https://git.openstack.org/cgit/openstack/neutron/commit/?id=40a6b4b9e6f4fb06decc885f0419e79bbff731ec
Submitter: Zuul
Branch: stable/train

commit 40a6b4b9e6f4fb06decc885f0419e79bbff731ec
Author: zhanghao <email address hidden>
Date: Thu Aug 6 04:02:36 2020 -0400

    Fix port can not be created with the sg of other project

    This patch adds the verification of whether admin context when
    verifying the valid security groups of port.

    Conflicts:
        neutron/tests/unit/extensions/test_securitygroup.py

    Change-Id: I2674bdc448d9a091b9fe8c68f0866fd19141c6be
    Closes-Bug: #1890539
    (cherry picked from commit cc54a1c38e0b537883de43fecda781034c80daf3)