Comment 6 for bug 1439417

Reviewed: https://review.openstack.org/188039
Committed: https://git.openstack.org/cgit/stackforge/fuel-devops/commit/?id=7e97a1c611f7c40b1d83ab4fa8efb508c39c1dd4
Submitter: Jenkins
Branch: master

commit 7e97a1c611f7c40b1d83ab4fa8efb508c39c1dd4
Author: Alexandr Kostrikov <email address hidden>
Date: Wed Jun 3 17:09:32 2015 +0300

    Enable show bootmenu in special cases.
    It is turned off by default.

    Special cases are:
    - node is admin and it is booting via USB;
    - node is a slave and it is booting via
    pxe on interface not equal to eth0.

    Partial-Bug: #1439417
    Change-Id: I87db9734418347161f60b854c1619c253ac9ab97