cephadm: upgrade tests fail with "Upgrade: Paused due to UPGRADE_BAD_TARGET_VERSION: Upgrade: cannot upgrade/downgrade to 18.0.0"
3 - minor
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Crash signature (v2):
it looks like this is because we now officially have v18 in main and the test still starts from Octopus (v15.2.0 specifically). That makes it a 3 major version jump so the upgrade is blocked.