bsd

CLPRO-2902: Sync node_exporter with upstream #1

Job	Run time
Run end-to-end tests on OpenBSD	3m 52s
Run end-to-end tests on FreeBSD	2m 49s
Run end-to-end tests on NetBSD	4m 8s
Run end-to-end tests on Solaris	19m 7s
Run end-to-end tests on DragonFly	22m 24s
Run end-to-end tests on Darwin/MacOS	1m 16s
	53m 36s

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