Make ansible not do network config

Signed-off-by: Patrick Uiterwijk <puiterwijk@redhat.com>

inventory/host_vars/openqa-ppc64le-01.qa.fedoraproject.org

@@ -1,6 +1,6 @@
 ---
 freezes: false
-nm: 255.255.255.0
+eth2_nm: 255.255.255.0
 gw: 10.5.131.254
 dns: 10.5.126.21
 eth2_ip: 10.5.131.73
@@ -8,3 +8,7 @@ datacenter: phx2
 fas_client_groups: sysadmin-qa,sysadmin-main,sysadmin-noc,fi-apprentice,sysadmin-veteran
 nrpe_procs_warn: 250
 nrpe_procs_crit: 300
+
+# Given that the only interface here is eth2, we can't really make ansible do its magic
+ansible_ifcfg_whitelist:
+- nonexistent