Canary guestbook

variant: canary-v2

• probe: latency
• probe: latency
• probe: latency
• probe: latency
• probe: latency
• probe: latency
• probe: latency
• probe: latency
• probe: latency
• probe: latency
• probe: latency
• probe: latency
• probe: latency
• probe: latency
• probe: latency
• probe: latency
• probe: latency
• probe: latency
• probe: latency
• probe: latency
• probe: latency
• probe: latency
• probe: latency
• probe: latency
• probe: latency
• probe: latency
• probe: latency
• probe: latency
• probe: latency
• probe: latency
• probe: latency
• probe: latency
• probe: latency
• probe: latency
• probe: latency
• probe: latency
• probe: latency
• probe: latency
• probe: latency
• probe: latency
• probe: latency
• probe: latency
• probe: latency
• probe: latency
• probe: latency
• probe: latency
• probe: latency
• probe: latency
• probe: latency
• probe: latency