pactl: explicitly print if port availability is unknown
This is a follow-up from #1028 (closed) discussion to explicitly state if port availability is unknown or not.
Helpful to diagnose port switching issue like #1043 (closed)
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This is a follow-up from #1028 (closed) discussion to explicitly state if port availability is unknown or not.
Helpful to diagnose port switching issue like #1043 (closed)