software/kvm: Test nbd-host and nbd-port

nbd2-host and nbd2-port are asserted too.

Test are reorganized to easily assert mixed scenarios.
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Status Job ID Name Coverage
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passed Cloudooo.UnitTest-Master

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passed ERP5.StandaloneDeploymentScriptTest-Debian.Buster

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failed SlapOS.Eggs.UnitTest-Master.Python2

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passed SlapOS.Eggs.UnitTest-Master.Python3Next

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failed SlapOS.SoftwareReleases.IntegrationTest-Master

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passed SlapOS.Theia.ResilienceTest-Master-ERP5

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passed Wendelin.StandaloneDeploymentScriptTest-Debian.Buster

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passed Wendelin.StandaloneDeploymentScriptTest-Debian.Buster.Master

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passed ERP5.StandaloneDeploymentScriptTest-Debian.Buster

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passed SlapOS.Eggs.UnitTest-Master.Python2

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passed SlapOS.Eggs.UnitTest-Master.Python3

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passed SlapOS.Eggs.UnitTest-Master.Python3Next

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passed Wendelin.StandaloneDeploymentScriptTest-Debian.Buster

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passed Wendelin.StandaloneDeploymentScriptTest-Debian.Buster.Master

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