prefixdevname/0005-core-don-t-assign-names-to-virtual-network-devices.patch

From 58886377310bb2190c6364aa3df83d1858183446 Mon Sep 17 00:00:00 2001
From: Michal Sekletar <msekleta@redhat.com>
Date: Fri, 2 Nov 2018 16:25:58 +0000
Subject: [PATCH] core: don't assign names to virtual network devices

---
 src/main.rs |  5 +++++
 src/util.rs | 20 ++++++++++++++++++++
 2 files changed, 25 insertions(+)

diff --git a/src/main.rs b/src/main.rs
index b0c02b8..6eeb793 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -37,6 +37,11 @@ fn main() {
         exit_maybe_unlock(None, 0);
     }
 
+    if event_device_virtual() {
+        debug!("Called for virtual network device, ignoring");
+        exit_maybe_unlock(None, 0);
+    }
+
     let ifname = event_device_name();
 
     if ! rename_needed(&ifname, &prefix).unwrap() {
diff --git a/src/util.rs b/src/util.rs
index 98eb32f..50c6677 100644
--- a/src/util.rs
+++ b/src/util.rs
@@ -23,6 +23,12 @@ pub fn event_device_name() -> String {
     ifname.to_string()
 }
 
+pub fn event_device_virtual() -> bool {
+    let devpath = env::var("DEVPATH").unwrap_or("".to_string());
+
+    devpath.starts_with("/devices/virtual")
+}
+
 pub fn hwaddr_valid<T: ToString>(hwaddr: &T) -> bool {
     use std::num::ParseIntError;
 
@@ -188,4 +194,18 @@ mod tests {
     fn rename_needed_interface_unset() {
         assert_eq!(rename_needed("", "net").unwrap(), true);
     }
+
+    #[test]
+    fn event_device_not_virtual() {
+        env::set_var("DEVPATH", "/devices/pci0000:00/0000:00:03.0/virtio0/net/eth0");
+
+        assert_eq!(event_device_virtual(), false);
+    }
+
+    #[test]
+    fn event_device_is_virtual() {
+        env::set_var("DEVPATH", "/devices/virtual/net/bond0");
+
+        assert_eq!(event_device_virtual(), true);
+    }
 }
-- 
2.17.2