rename networkAttrs to attrs

Change-Id: I978aad73b0981785b3e7e05d94b8f7d0250fd82f
Signed-off-by: ibarkan <ibarkan@redhat.com>
Reviewed-on: http://gerrit.ovirt.org/35689
Reviewed-by: Antoni Segura Puimedon <asegurap@redhat.com>
Reviewed-by: Dan Kenigsberg <danken@redhat.com>