It would appear the there was a bug in the previous Linux kernel update for the Red Hat Enterprise Linux 7.5 and CentOS Linux 7.5 releases, which was released to address the Spectre V4 security vulnerability, making connection tracking information to not function correctly, which could lead to connectivity loss and leaking of configuration properties related to the respective connection tracking into other namespaces.
“Previously, the connection tracking information was not cleared properly for packets forwarded to another network namespace,” said Red Hat in an <a href="https://access.redhat.com/errata/RHBA-201… (read more)
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