tailscale

wgengine/magicsock,types/logger: add latency logs for initial peer contacts (#19916)

.github/workflows: fix `-run='^$'` quoting when skipping all tests (#19962)

words: add 'flops' to the list of scales

cmd/tailscale/cli: use tstime constant for `tailscale routecheck` (#19957)

cmd/tailscaled, version/distro: default to userspace-networking on Crostini