flow_caches_stress_test: fix nf_conntrack_max prep on RHEL 10.3+ - #4491
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Kernels after the netfilter rebase reject nf_conntrack_max=0 (EINVAL). Use INT_MAX on RHEL 10.3+ host/guest, keep 0 elsewhere, and restore the host sysctl after the test. Assisted-by: Cursor Grok ~70% Reference: LIBVIRTARM-835 Signed-off-by: hholoubk <hholoubk@redhat.com>
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Kernels after the netfilter rebase reject nf_conntrack_max=0 (EINVAL). Use INT_MAX on RHEL 10.3+ host/guest, keep 0 elsewhere, and restore the host sysctl after the test.
Even it looks like full rewrite .. it is not.
The significant changes are:
functionality:
test quality:
Changes for better maintainability/readability:
The netperf part UNTOUCHED as the netperf approach will be replaced.