fix(qemu): Allow listing over instances which cannot be queried over QMP #1965
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Prerequisite checklist
make fmt
on your commit series before opening this PR;Description of changes
This PR amortizes the errors from connection sequences via QMP into well-defined errors. These errors can then be cross-validated in the listing method which would otherwise fast-fail. By omitting any issues related via QMP, we are able to properly return a full list of machines, regardless of whether they have a QMP socket.