false-alarm-in-precheck

[Hui Kang]

Precheck failed on the gate [1], while the deploy success on the same kernel [2].

The gate node is rax-ord [3].

[1] http://logs.openstack.org/19/313819/1/check/gate-kolla-dsvm-deploy-ubuntu-source/7314d39/console.html#_2016-05-07_01_26_10_471

[2] http://logs.openstack.org/90/308390/13/check/gate-kolla-dsvm-deploy-ubuntu-source/bdc9df5/console.html#_2016-05-06_18_51_56_463

[3] http://logs.openstack.org/19/313819/1/check/gate-kolla-dsvm-deploy-ubuntu-source/7314d39/console.html#_2016-05-07_01_16_08_341