systemd/patches/systemd-228-networkd-link-do-not-drop-config-for-loopback-device.patch

--- systemd/src/network/networkd-link.c	2016-01-14 14:31:32.518552946 +0100
+++ systemd-patched/src/network/networkd-link.c	2016-01-14 14:33:29.874884552 +0100
@@ -2040,9 +2040,13 @@
         assert(link->network);
         assert(link->state == LINK_STATE_PENDING);
 
-        r = link_drop_foreign_config(link);
-        if (r < 0)
-                return r;
+        /* Drop foreign config, but ignore loopback device.
+         * We do not want to remove loopback address. */
+        if (!(link->flags & IFF_LOOPBACK)) {
+                r = link_drop_foreign_config(link);
+                if (r < 0)
+                        return r;
+        }
 
         r = link_set_bridge_fdb(link);
         if (r < 0)
1	niro	2751	--- systemd/src/network/networkd-link.c 2016-01-14 14:31:32.518552946 +0100
2			+++ systemd-patched/src/network/networkd-link.c 2016-01-14 14:33:29.874884552 +0100
3			@@ -2040,9 +2040,13 @@
4			assert(link->network);
5			assert(link->state == LINK_STATE_PENDING);
6
7			- r = link_drop_foreign_config(link);
8			- if (r < 0)
9			- return r;
10			+ /* Drop foreign config, but ignore loopback device.
11			+ * We do not want to remove loopback address. */
12			+ if (!(link->flags & IFF_LOOPBACK)) {
13			+ r = link_drop_foreign_config(link);
14			+ if (r < 0)
15			+ return r;
16			+ }
17
18			r = link_set_bridge_fdb(link);
19			if (r < 0)