tstest/natlab/vnet: add qemu + Virtualization.framework protocol tests #3

Job	Run time
depaware	33s
crossmin (plan9, amd64)	3m 5s
android	54s
crossmin (aix, ppc64)	3m 13s
cross (linux, arm64)	6m 0s
fuzz	0s
cross (linux, 386)	5m 58s
go_generate	1m 4s
cross (linux, loong64)	5m 58s
go_mod_tidy	30s
cross (linux, arm, 5)	5m 53s
ios	44s
cross (linux, arm, 7)	5m 13s
licenses	5s
privileged	1m 2s
cross (darwin, amd64)	5m 51s
race-build	4m 27s
cross (darwin, arm64)	5m 50s
race-root-integration (1/4)	1m 21s
cross (windows, amd64)	5m 44s
race-root-integration (2/4)	1m 19s
staticcheck (linux, amd64)	3m 36s
tailscale_go	33s
cross (windows, arm64)	5m 37s
race-root-integration (3/4)	1m 16s
staticcheck (windows, amd64)	3m 26s
cross (freebsd, amd64)	5m 48s
race-root-integration (4/4)	1m 18s
staticcheck (darwin, amd64)	3m 29s
test (amd64, -coverprofile=/tmp/coverage.out)	9m 51s
cross (openbsd, amd64)	5m 51s
staticcheck (windows, 386)	3m 20s
test (amd64, -race, 1/3)	10m 0s
test (amd64, -race, 2/3)	7m 39s
vm	0s
wasm	9m 24s
test (amd64, -race, 3/3)	7m 42s
windows	8m 41s
test (386)	7m 34s
notify_slack	9s
check_mergeability	2s
	2h 40m 0s

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