netfilter: use getrandomu32 instead of prandom
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 v5.15.51 by commit d0906b0fffc9f19bc42708ca3e84e2089088386c, it was introduced in version v5.6 by commit 6b2faee0ca91b63bd5a3b2087d4f25c76b983961. For more details please see the references link.