ansible: network: fix network only if needed
ansible: network: fix network only if needed

Change-Id: Ib2fb7141a695609ee3e601a9fa50941296cb343f
Bug-Url: https://bugzilla.redhat.com/1545931
Signed-off-by: Simone Tiraboschi <cb03129c66ba4da7ba7044049d0f43907bf857bb@redhat.com>

oVirt/ovirt-hosted-engine-setup,oVirt/ovirt-hosted-engine-setup