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a89c2bdaf1
it turns out that the e2e test was not using the timeout used to hold the CLOSE_WAIT status, hence the test was flake depending on how fast it checked the conntrack table. This PR replaces the dependency on ssh using a pod to check the conntrack entries on the host in a loop, to make the test more robust and reduce the flakiness due to race conditions and/or ssh issues. It also fixes a bug trying to grep the conntrack entry, where the error was swallowed if a conntrack entry wasn't found.