Fix `virtual` resolution on Illumos LX #834

Job	Run time
integration ubuntu-latest (ruby 2.7)	36s
integration ubuntu-22.04 (ruby 3.2)	32s
integration ubuntu-22.04 (ruby jruby-9.3.14.0)	3m 15s
integration ubuntu-latest (ruby jruby-9.4.8.0)	3m 15s
integration windows-2019 (ruby 2.7)	3m 47s
integration windows-2019 (ruby 3.2)	3m 40s
	15m 5s

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