--- systemd-stable-246.1/src/udev/udev-event.c.orig 2020-08-07 17:09:53.000000000 +0200
+++ systemd-stable-246.1/src/udev/udev-event.c 2020-08-15 11:04:10.263428290 +0200
@@ -820,6 +820,8 @@
- sd_device *dev = event->dev;
- const char *oldname;
+ const char *s;
+ sd_device *dev;
int ifindex, r;
+ char name[IFNAMSIZ];
+ int loop;
- if (!event->name)
- return 0; /* No new name is requested. */
+ assert(event);
+
@@ -861,6 +863,32 @@
- return log_device_debug_errno(event->dev_db_clone, r, "Failed to update database under /run/udev/data/: %m");
+ }
- r = rtnl_set_link_name(&event->rtnl, ifindex, event->name);
+ r = rtnl_set_link_name(&event->rtnl, ifindex, event->name, event->altnames);
+ /* keep trying if the destination interface name already exists */
+ if (r != -EEXIST)
+ goto out;
+
+ /* free our own name, another process may wait for us */
-+ snprintf(name, IFNAMSIZ, "rename%u", ifindex);
-+ r = rtnl_set_link_name(&event->rtnl, ifindex, name);
++ snprintf(name, IFNAMSIZ, "rename%d", ifindex);
++ r = rtnl_set_link_name(&event->rtnl, ifindex, name, NULL);
+ if (r < 0)
+ goto out;
+
+ /* log temporary name */
-+ log_device_debug(dev, "Network interface %i is renamed from '%s' to '%s'", ifindex, oldname, event->name);
++ log_device_debug(dev, "Network interface %i is renamed from '%s' to '%s'", ifindex, old_sysname, event->name);
+
+ /* wait a maximum of 90 seconds for our target to become available */
+ strscpy(name, IFNAMSIZ, event->name);
+
+ nanosleep(&duration, NULL);
+
-+ r = rtnl_set_link_name(&event->rtnl, ifindex, name);
++ r = rtnl_set_link_name(&event->rtnl, ifindex, name, NULL);
+ if (r != -EEXIST)
+ goto out;
+ }
+out:
- if (r < 0)
- return log_device_error_errno(dev, r, "Failed to rename network interface %i from '%s' to '%s': %m",
- ifindex, oldname, event->name);
+ if (r < 0) {
+ if (r == -EBUSY) {
+ log_device_info(event->dev_db_clone,