hv_netvsc: Set VF priv_flags to IFF_NO_ADDRCONF before open to prevent IPv6 addrconf

jira LE-4385
Rebuild_History Non-Buildable kernel-5.14.0-570.52.1.el9_6
commit-author Li Tian <[email protected]>
commit d7501e0

Set an additional flag IFF_NO_ADDRCONF to prevent ipv6 addrconf.

Commit under Fixes added a new flag change that was not made
to hv_netvsc resulting in the VF being assinged an IPv6.

Fixes: 8a321cf ("net: add IFF_NO_ADDRCONF and use it in bonding to prevent ipv6 addrconf")
	Suggested-by: Cathy Avery <[email protected]>
	Signed-off-by: Li Tian <[email protected]>
	Reviewed-by: Xin Long <[email protected]>
Link: https://patch.msgid.link/[email protected]
	Signed-off-by: Jakub Kicinski <[email protected]>
(cherry picked from commit d7501e0)
	Signed-off-by: Jonathan Maple <[email protected]>

Author: PlaidCat

drivers/net/hyperv/netvsc_drv.c

@@ -2350,8 +2350,11 @@ static int netvsc_prepare_bonding(struct net_device *vf_netdev)
 	if (!ndev)
 		return NOTIFY_DONE;
 
-	/* set slave flag before open to prevent IPv6 addrconf */
+	/* Set slave flag and no addrconf flag before open
+	 * to prevent IPv6 addrconf.
+	 */
 	vf_netdev->flags |= IFF_SLAVE;
+	vf_netdev->priv_flags |= IFF_NO_ADDRCONF;
 	return NOTIFY_DONE;
 }