Connectivity lost while performing a minor/major update with external-update run --stack overcloud --tags ovn
Issue
Instance connectivity is lost for a variable amount of time (from 20 seconds to 3 minutes) when the following command is typed to update ovn controllers:
$ openstack overcloud external-update run --stack overcloud --tags ovn
Environment
- Red Hat Openstack Plataform 16.2.2, 16.2.3
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