Logs for the probe: ts=2026-04-15T03:29:28.357760138Z caller=main.go:190 module=icmp target=nagios.bulkserver.jp level=info msg="Beginning probe" probe=icmp timeout_seconds=9.5 ts=2026-04-15T03:29:28.357823028Z caller=icmp.go:91 module=icmp target=nagios.bulkserver.jp level=info msg="Resolving target address" target=nagios.bulkserver.jp ip_protocol=ip4 ts=2026-04-15T03:29:28.477719961Z caller=icmp.go:91 module=icmp target=nagios.bulkserver.jp level=info msg="Resolved target address" target=nagios.bulkserver.jp ip=103.250.73.142 ts=2026-04-15T03:29:28.477757371Z caller=handler.go:119 module=icmp target=nagios.bulkserver.jp level=info msg="Creating socket" ts=2026-04-15T03:29:28.477781501Z caller=handler.go:119 module=icmp target=nagios.bulkserver.jp level=debug msg="Unable to do unprivileged listen on socket, will attempt privileged" err="socket: permission denied" ts=2026-04-15T03:29:28.477830391Z caller=handler.go:119 module=icmp target=nagios.bulkserver.jp level=info msg="Creating ICMP packet" seq=22408 id=646 ts=2026-04-15T03:29:28.477843441Z caller=handler.go:119 module=icmp target=nagios.bulkserver.jp level=info msg="Writing out packet" ts=2026-04-15T03:29:28.477852611Z caller=handler.go:119 module=icmp target=nagios.bulkserver.jp level=debug msg="Setting TTL (IPv4 unprivileged)" ttl=30 ts=2026-04-15T03:29:28.477908911Z caller=handler.go:119 module=icmp target=nagios.bulkserver.jp level=info msg="Waiting for reply packets" ts=2026-04-15T03:29:37.858877196Z caller=handler.go:119 module=icmp target=nagios.bulkserver.jp level=debug msg="Cannot get TTL from the received packet. 'probe_icmp_reply_hop_limit' will be missing." ts=2026-04-15T03:29:37.858919166Z caller=handler.go:119 module=icmp target=nagios.bulkserver.jp level=warn msg="Timeout reading from socket" err="read ip 0.0.0.0: raw-read ip4 0.0.0.0: i/o timeout" ts=2026-04-15T03:29:37.859593556Z caller=main.go:190 module=icmp target=nagios.bulkserver.jp level=error msg="Probe failed" duration_seconds=9.501520393 Metrics that would have been returned: # HELP probe_dns_lookup_time_seconds Returns the time taken for probe dns lookup in seconds # TYPE probe_dns_lookup_time_seconds gauge probe_dns_lookup_time_seconds 0.119920513 # HELP probe_duration_seconds Returns how long the probe took to complete in seconds # TYPE probe_duration_seconds gauge probe_duration_seconds 9.501520393 # HELP probe_icmp_duration_seconds Duration of icmp request by phase # TYPE probe_icmp_duration_seconds gauge probe_icmp_duration_seconds{phase="resolve"} 0.119920513 probe_icmp_duration_seconds{phase="rtt"} 0 probe_icmp_duration_seconds{phase="setup"} 8.605e-05 # HELP probe_ip_addr_hash Specifies the hash of IP address. It's useful to detect if the IP address changes. # TYPE probe_ip_addr_hash gauge probe_ip_addr_hash 5.35778411e+08 # HELP probe_ip_protocol Specifies whether probe ip protocol is IP4 or IP6 # TYPE probe_ip_protocol gauge probe_ip_protocol 4 # HELP probe_success Displays whether or not the probe was a success # TYPE probe_success gauge probe_success 0 Module configuration: prober: icmp timeout: 10s http: ip_protocol_fallback: true follow_redirects: true enable_http2: true tcp: ip_protocol_fallback: true icmp: preferred_ip_protocol: ip4 ip_protocol_fallback: true ttl: 30 dns: ip_protocol_fallback: true recursion_desired: true