Mike O'Driscoll 08c8ccb48e
prober: add address family label for udp metrics (#15413)
Add a label which differentiates the address family
for STUN checks.

Also initialize the derpprobe_attempts_total and
derpprobe_seconds_total metrics by adding 0 for
the alternate fail/ok case.

Updates tailscale/corp#27249

Signed-off-by: Mike O'Driscoll <mikeo@tailscale.com>
2025-03-25 12:49:54 -04:00
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