GSD-2022-1007998 ipvs: fix WARNING in __ip_vs_cleanup_batch()

ipvs: fix WARNING in ipvscleanupbatch This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.15.78 by commit 5ee2d6b726b0ce339e36569e5849692f4cf4595...