This is a note to let you know that I've just added the patch titled net: ipv6: ensure we call ipv6_mc_down() at most once to the 5.10-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: net-ipv6-ensure-we-call-ipv6_mc_down-at-most-once.patch and it can be found in the queue-5.10 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it.