time="2017-11-07T00:38:01+09:00" level=info msg="Starting node_exporter (version=0.15.0, branch=non-git, revision=6e2053c)" source="node_exporter.go:43"
time="2017-11-07T00:38:01+09:00" level=info msg="Build context (go=go1.9.1, user=portage@raider, date=20171105-15:39:31)" source="node_exporter.go:44"
time="2017-11-07T00:38:01+09:00" level=info msg="Enabled collectors:" source="node_exporter.go:50"
time="2017-11-07T00:38:01+09:00" level=info msg=" - xfs" source="node_exporter.go:52"
time="2017-11-07T00:38:01+09:00" level=info msg=" - textfile" source="node_exporter.go:52"
time="2017-11-07T00:38:01+09:00" level=info msg=" - meminfo" source="node_exporter.go:52"
time="2017-11-07T00:38:01+09:00" level=info msg=" - conntrack" source="node_exporter.go:52"
time="2017-11-07T00:38:01+09:00" level=info msg=" - diskstats" source="node_exporter.go:52"
time="2017-11-07T00:38:01+09:00" level=info msg=" - entropy" source="node_exporter.go:52"
time="2017-11-07T00:38:01+09:00" level=info msg=" - wifi" source="node_exporter.go:52"
time="2017-11-07T00:38:01+09:00" level=info msg=" - uname" source="node_exporter.go:52"
time="2017-11-07T00:38:01+09:00" level=info msg=" - time" source="node_exporter.go:52"
time="2017-11-07T00:38:01+09:00" level=info msg=" - filefd" source="node_exporter.go:52"
time="2017-11-07T00:38:01+09:00" level=info msg=" - edac" source="node_exporter.go:52"
time="2017-11-07T00:38:01+09:00" level=info msg=" - ipvs" source="node_exporter.go:52"
time="2017-11-07T00:38:01+09:00" level=info msg=" - vmstat" source="node_exporter.go:52"
time="2017-11-07T00:38:01+09:00" level=info msg=" - filesystem" source="node_exporter.go:52"
time="2017-11-07T00:38:01+09:00" level=info msg=" - stat" source="node_exporter.go:52"
time="2017-11-07T00:38:01+09:00" level=info msg=" - zfs" source="node_exporter.go:52"
time="2017-11-07T00:38:01+09:00" level=info msg=" - bcache" source="node_exporter.go:52"
time="2017-11-07T00:38:01+09:00" level=info msg=" - netdev" source="node_exporter.go:52"
time="2017-11-07T00:38:01+09:00" level=info msg=" - mdadm" source="node_exporter.go:52"
time="2017-11-07T00:38:01+09:00" level=info msg=" - infiniband" source="node_exporter.go:52"
time="2017-11-07T00:38:01+09:00" level=info msg=" - hwmon" source="node_exporter.go:52"
time="2017-11-07T00:38:01+09:00" level=info msg=" - cpu" source="node_exporter.go:52"
time="2017-11-07T00:38:01+09:00" level=info msg=" - timex" source="node_exporter.go:52"
time="2017-11-07T00:38:01+09:00" level=info msg=" - loadavg" source="node_exporter.go:52"
time="2017-11-07T00:38:01+09:00" level=info msg=" - arp" source="node_exporter.go:52"
time="2017-11-07T00:38:01+09:00" level=info msg=" - netstat" source="node_exporter.go:52"
time="2017-11-07T00:38:01+09:00" level=info msg=" - sockstat" source="node_exporter.go:52"
time="2017-11-07T00:38:01+09:00" level=info msg="Listening on :9100" source="node_exporter.go:76"
time="2017-11-07T01:05:03+09:00" level=error msg="Error on statfs() system call for \"/mnt/snfs/backups\": permission denied" source="filesystem_linux.go:57"
<snip many similar lines; this transient mountpoint is deliberately not world readable>
time="2017-11-07T03:34:18+09:00" level=error msg="Error on statfs() system call for \"/mnt/snfs/backups\": permission denied" source="filesystem_linux.go:57"
time="2017-11-07T04:47:48+09:00" level=error msg="ERROR: hwmon collector failed after 0.000057s: open (\x00\x00\x00\x00\x00\x00\x008O1 \xc4\x00\x00\x00: invalid argument" source="collector.go:123"
<note: not direct cause of error, there's a time interval here>
2017/11/07 06:32:49 http: panic serving 172.20.0.1:38504: runtime error: growslice: cap out of range
goroutine 41 [running]:
net/http.(*conn).serve.func1(0xc4201cdd60)
        /usr/lib64/go/src/net/http/server.go:1697 +0xd0
panic(0xa24f20, 0xb41190)
        /usr/lib64/go/src/runtime/panic.go:491 +0x283
fmt.(*buffer).WriteString(...)
        /usr/lib64/go/src/fmt/print.go:82
fmt.(*fmt).padString(0xc42053a040, 0xc4204e6800, 0xc4204e6850)
        /usr/lib64/go/src/fmt/format.go:110 +0x110
fmt.(*fmt).fmt_s(0xc42053a040, 0xc4204e6800, 0xc4204e6850)
        /usr/lib64/go/src/fmt/format.go:328 +0x61
fmt.(*pp).fmtString(0xc42053a000, 0xc4204e6800, 0xc4204e6850, 0xc400000073)
        /usr/lib64/go/src/fmt/print.go:433 +0x197
fmt.(*pp).printArg(0xc42053a000, 0x9f4700, 0xc42041c290, 0x73)
        /usr/lib64/go/src/fmt/print.go:664 +0x7b5
fmt.(*pp).doPrintf(0xc42053a000, 0xae7c2d, 0x2c, 0xc420475670, 0x2, 0x2)
        /usr/lib64/go/src/fmt/print.go:996 +0x15a
fmt.Sprintf(0xae7c2d, 0x2c, 0xc420475670, 0x2, 0x2, 0x10, 0x9f4700)
        /usr/lib64/go/src/fmt/print.go:196 +0x66
fmt.Errorf(0xae7c2d, 0x2c, 0xc420475670, 0x2, 0x2, 0xc420410301, 0xc420410300)
        /usr/lib64/go/src/fmt/print.go:205 +0x5a
github.com/prometheus/node_exporter/vendor/github.com/prometheus/client_golang/prometheus.checkMetricConsistency(0xc420129450, 0xc42015dce0, 0xc420410390, 0xc4204103f0, 0x0, 0x0)
        /var/tmp/portage/net-analyzer/prometheus-node_exporter-0.15.0/work/prometheus-node_exporter-0.15.0/src/github.com/prometheus/node_exporter/vendor/github.com/prometheus/client_golang/prometheus/registry.go:685 +0x28c
github.com/prometheus/node_exporter/vendor/github.com/prometheus/client_golang/prometheus.Gatherers.Gather(0xc42021dde0, 0x2, 0x2, 0xc420475a38, 0x41281c, 0xc420221688, 0xc420475b28, 0x10)
        /var/tmp/portage/net-analyzer/prometheus-node_exporter-0.15.0/work/prometheus-node_exporter-0.15.0/src/github.com/prometheus/node_exporter/vendor/github.com/prometheus/client_golang/prometheus/registry.go:581 +0x83c
github.com/prometheus/node_exporter/vendor/github.com/prometheus/client_golang/prometheus.(*Gatherers).Gather(0xc42021de00, 0x73, 0x1, 0xa6ff00, 0xacf318, 0x100100020475af0)
        <autogenerated>:1 +0x52
github.com/prometheus/node_exporter/vendor/github.com/prometheus/client_golang/prometheus/promhttp.HandlerFor.func1(0x102a3a0, 0xc4202e2798, 0xc420122600)
        /var/tmp/portage/net-analyzer/prometheus-node_exporter-0.15.0/work/prometheus-node_exporter-0.15.0/src/github.com/prometheus/node_exporter/vendor/github.com/prometheus/client_golang/prometheus/promhttp/http.go:85 +0x4c
net/http.HandlerFunc.ServeHTTP(0xc420148c80, 0x102a3a0, 0xc4202e2798, 0xc420122600)
        /usr/lib64/go/src/net/http/server.go:1918 +0x44
net/http.(Handler).ServeHTTP-fm(0x102a3a0, 0xc4202e2798, 0xc420122600)
        /usr/lib64/go/src/net/http/h2_bundle.go:5462 +0x4d
github.com/prometheus/node_exporter/vendor/github.com/prometheus/client_golang/prometheus.InstrumentHandlerFuncWithOpts.func1(0x102a920, 0xc42023c0e0, 0xc420122600)
        /var/tmp/portage/net-analyzer/prometheus-node_exporter-0.15.0/work/prometheus-node_exporter-0.15.0/src/github.com/prometheus/node_exporter/vendor/github.com/prometheus/client_golang/prometheus/http.go:307 +0x229
net/http.HandlerFunc.ServeHTTP(0xc420232370, 0x102a920, 0xc42023c0e0, 0xc420122600)
        /usr/lib64/go/src/net/http/server.go:1918 +0x44
net/http.(*ServeMux).ServeHTTP(0x105afa0, 0x102a920, 0xc42023c0e0, 0xc420122600)
        /usr/lib64/go/src/net/http/server.go:2254 +0x130
net/http.serverHandler.ServeHTTP(0xc4201c5ad0, 0x102a920, 0xc42023c0e0, 0xc420122600)
        /usr/lib64/go/src/net/http/server.go:2619 +0xb4
net/http.(*conn).serve(0xc4201cdd60, 0x102b420, 0xc420148e00)
        /usr/lib64/go/src/net/http/server.go:1801 +0x71d
created by net/http.(*Server).Serve
        /usr/lib64/go/src/net/http/server.go:2720 +0x288
panic: runtime error: slice bounds out of range

goroutine 54050 [running]:
regexp.(*machine).init(0xc4203e0000, 0x2)
        /usr/lib64/go/src/regexp/exec.go:92 +0x67
regexp.(*Regexp).doExecute(0xc4201cd0e0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xc420094304, 0x77, 0x0, 0x2, ...)
        /usr/lib64/go/src/regexp/exec.go:446 +0xee
regexp.(*Regexp).allMatches(0xc4201cd0e0, 0xc420094304, 0x77, 0x0, 0x0, 0x0, 0x78, 0xc420424940)
        /usr/lib64/go/src/regexp/regexp.go:683 +0x12f
regexp.(*Regexp).FindAllStringIndex(0xc4201cd0e0, 0xc420094304, 0x77, 0x78, 0xc40000006c, 0x100130100000000, 0x0)
        /usr/lib64/go/src/regexp/regexp.go:1042 +0xf6
regexp.(*Regexp).Split(0xc4201cd0e0, 0xc420094304, 0x77, 0xffffffffffffffff, 0xc420094304, 0x77, 0x3)
        /usr/lib64/go/src/regexp/regexp.go:1161 +0x86
github.com/prometheus/node_exporter/collector.parseNetDevStats(0x1024e20, 0xc4201425e8, 0xc4201cda40, 0x0, 0x0, 0x0)
        /var/tmp/portage/net-analyzer/prometheus-node_exporter-0.15.0/work/prometheus-node_exporter-0.15.0/src/github.com/prometheus/node_exporter/collector/netdev_linux.go:57 +0x230
github.com/prometheus/node_exporter/collector.getNetDevStats(0xc4201cda40, 0x0, 0x0, 0x0)
        /var/tmp/portage/net-analyzer/prometheus-node_exporter-0.15.0/work/prometheus-node_exporter-0.15.0/src/github.com/prometheus/node_exporter/collector/netdev_linux.go:40 +0xca
github.com/prometheus/node_exporter/collector.(*netDevCollector).Update(0xc42021c920, 0xc42063c060, 0x105b500, 0x2)
        /var/tmp/portage/net-analyzer/prometheus-node_exporter-0.15.0/work/prometheus-node_exporter-0.15.0/src/github.com/prometheus/node_exporter/collector/netdev_common.go:53 +0x47
github.com/prometheus/node_exporter/collector.execute(0xacd9b7, 0x6, 0x1023660, 0xc42021c920, 0xc42063c060)
        /var/tmp/portage/net-analyzer/prometheus-node_exporter-0.15.0/work/prometheus-node_exporter-0.15.0/src/github.com/prometheus/node_exporter/collector/collector.go:118 +0x7e
github.com/prometheus/node_exporter/collector.nodeCollector.Collect.func1(0xc42063c060, 0xc420412000, 0xacd9b7, 0x6, 0x1023660, 0xc42021c920)
        /var/tmp/portage/net-analyzer/prometheus-node_exporter-0.15.0/work/prometheus-node_exporter-0.15.0/src/github.com/prometheus/node_exporter/collector/collector.go:109 +0x53
created by github.com/prometheus/node_exporter/collector.nodeCollector.Collect
        /var/tmp/portage/net-analyzer/prometheus-node_exporter-0.15.0/work/prometheus-node_exporter-0.15.0/src/github.com/prometheus/node_exporter/collector/collector.go:108 +0x109