Enabled interface on compute nodes for external gateway
Enabled interface on compute nodes for external gateway

Signed-off-by: Keith Burns (alagalah) <469d26a9115c63bc10d4323e29088530ee1e798d@gmail.com>

schoksey/gbp-devstack,yapengwu/gbp-devstack,tbachman/gbp-devstack,yapengwu/gbp-devstack,schoksey/gbp-devstack,tbachman/gbp-devstack