On Sun, Jan 04, 2026 at 10:54:22AM -0800, Jakub Kicinski wrote:

On Wed, 31 Dec 2025 01:03:29 +0900 yk@y-koj.net wrote:

quoted

+	netif_carrier_on(dev_a);
+	netif_carrier_on(dev_b);

	if (netif_running(dev_a) && netif_running(dev_b)) {
		/// your code
	}

right? If one side is down there should be no carrier.

That's right. I have updated the first patch with netif_running()
checks accordingly.

Here is the v3 series including the fix:
https://lore.kernel.org/netdev/cover.1767624906.git.yk@y-koj.net/T/ (local)

Thank you,
Yohei Kojima

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