systemd/1040-re-enable-dev_id-conditionally-in-persistent-rules.patch

Index: systemd-210/src/udev/rule_generator/75-persistent-net-generator.rules
===================================================================
--- systemd-210.orig/src/udev/rule_generator/75-persistent-net-generator.rules
+++ systemd-210/src/udev/rule_generator/75-persistent-net-generator.rules
@@ -68,8 +68,9 @@ ENV{MATCHADDR}=="e2:0c:0f:*", GOTO="glob
 ENV{MATCHADDR}=="00:16:3e:*", GOTO="globally_administered_whitelist"
 
 # match interface dev_id
-# disable due to bnc#882714
-# ATTR{dev_id}=="?*", ENV{MATCHDEVID}="$attr{dev_id}"
+# HACK: for s390x, if layer2 == 0, dont use dev_id
+ENV{LAYER2}="1", TEST=="device/layer2", ENV{LAYER2}="$attr{device/layer2}"
+ENV{LAYER2}!="0", ATTR{dev_id}=="?*", ENV{MATCHDEVID}="$attr{dev_id}"
 
 # do not use "locally administered" MAC address
 ENV{MATCHADDR}=="?[2367abef]:*", ENV{MATCHADDR}=""