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 v6.0.8 by commit e724220b826e008764309d2a1f55a9434a4e1530, it was introduced in version v2.6.39 by commit 61b1ab4583e275af216c8454b9256de680499b19. For more details please see the references link.