fix(qemu): improve logging, make connection check less spammy #3023

Job	Run time
Build melange and add to artifact cache	33s
Build packages (bubblewrap, hello-wolfi)	1m 49s
Build packages (bubblewrap, glibc)	14m 12s
Build packages (bubblewrap, tini)	1m 27s
Build packages (bubblewrap, lzo)	1m 28s
Build packages (bubblewrap, bubblewrap)	1m 16s
Build packages (bubblewrap, gitsign)	3m 42s
Build packages (bubblewrap, guac)	4m 4s
Build packages (bubblewrap, mdbook)	3m 52s
Build packages (bubblewrap, s3cmd)	1m 14s
Build packages (bubblewrap, perl-yaml-syck)	1m 28s
Build packages (bubblewrap, ncurses)	2m 32s
Build packages (qemu, hello-wolfi)	1m 57s
Build packages (qemu, glibc)	14m 0s
Build packages (qemu, tini)	1m 52s
Build packages (qemu, lzo)	2m 26s
Build packages (qemu, bubblewrap)	1m 46s
Build packages (qemu, gitsign)	3m 22s
Build packages (qemu, guac)	5m 19s
Build packages (qemu, mdbook)	5m 13s
Build packages (qemu, s3cmd)	2m 2s
Build packages (qemu, perl-yaml-syck)	2m 58s
Build packages (qemu, ncurses)	2m 48s
	1h 21m 20s

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