etcd panic

20-cloudinit.conf

core@ip-10-0-1-235 ~ $ cat /run/systemd/system/etcd.service.d/20-cloudinit.conf 
[Service]
Environment="ETCD_ADDR=10.0.1.235:4001"
Environment="ETCD_CLUSTER_ACTIVE_SIZE=3"
Environment="ETCD_DISCOVERY=http://10.0.0.66:4001/v2/keys/_etcd/registry/cluster-dev-f9ekeksid832ik4k"
Environment="ETCD_NAME=10-0-1-235"
Environment="ETCD_PEER_ADDR=10.0.1.235:7001"
Environment="ETCD_TRACE=*"
Environment="ETCD_VERY_VERY_VERBOSE=true"

panic

Oct 02 16:52:51 ip-10-0-1-235.us-east-1.compute.internal systemd[1]: Starting etcd...
Oct 02 16:52:51 ip-10-0-1-235.us-east-1.compute.internal systemd[1]: Started etcd.
Oct 02 16:52:51 ip-10-0-1-235.us-east-1.compute.internal etcd[1049]: panic: reflect: reflect.Value.SetString using value obtained using unexported field
Oct 02 16:52:51 ip-10-0-1-235.us-east-1.compute.internal etcd[1049]: goroutine 1 [running]:
Oct 02 16:52:51 ip-10-0-1-235.us-east-1.compute.internal etcd[1049]: runtime.panic(0x73ab20, 0xc21000a8e0)
Oct 02 16:52:51 ip-10-0-1-235.us-east-1.compute.internal etcd[1049]: /usr/lib/go/src/pkg/runtime/panic.c:266 +0xb6
Oct 02 16:52:51 ip-10-0-1-235.us-east-1.compute.internal etcd[1049]: reflect.flag.mustBeAssignable(0x187)
Oct 02 16:52:51 ip-10-0-1-235.us-east-1.compute.internal etcd[1049]: /usr/lib/go/src/pkg/reflect/value.go:265 +0x11b
Oct 02 16:52:51 ip-10-0-1-235.us-east-1.compute.internal etcd[1049]: reflect.Value.SetString(0x73ab20, 0xc210059a48, 0x187, 0x7fffdbb69fcc, 0x1)
Oct 02 16:52:51 ip-10-0-1-235.us-east-1.compute.internal etcd[1049]: /usr/lib/go/src/pkg/reflect/value.go:1548 +0x27
Oct 02 16:52:51 ip-10-0-1-235.us-east-1.compute.internal etcd[1049]: github.com/coreos/etcd/config.(*Config).loadEnv(0xc2100598c0, 0x8441a0, 0xc2100598c0, 0x7fab40b24a70, 0xc21009c510)
Oct 02 16:52:51 ip-10-0-1-235.us-east-1.compute.internal etcd[1049]: /build/amd64-usr/var/tmp/portage/dev-db/etcd-0.4.6/work/etcd-0.4.6/gopath/src/github.com/coreos/etcd/config/config.go:212 +0x90f
Oct 02 16:52:51 ip-10-0-1-235.us-east-1.compute.internal etcd[1049]: github.com/coreos/etcd/config.(*Config).LoadEnv(0xc2100598c0, 0x0, 0x0)
Oct 02 16:52:51 ip-10-0-1-235.us-east-1.compute.internal etcd[1049]: /build/amd64-usr/var/tmp/portage/dev-db/etcd-0.4.6/work/etcd-0.4.6/gopath/src/github.com/coreos/etcd/config/config.go:177 +0x36
Oct 02 16:52:51 ip-10-0-1-235.us-east-1.compute.internal etcd[1049]: github.com/coreos/etcd/config.(*Config).Load(0xc2100598c0, 0xc21000a010, 0x0, 0x0, 0x2, ...)
Oct 02 16:52:51 ip-10-0-1-235.us-east-1.compute.internal etcd[1049]: /build/amd64-usr/var/tmp/portage/dev-db/etcd-0.4.6/work/etcd-0.4.6/gopath/src/github.com/coreos/etcd/config/config.go:144 +0x1cc
Oct 02 16:52:51 ip-10-0-1-235.us-east-1.compute.internal etcd[1049]: main.main()
Oct 02 16:52:51 ip-10-0-1-235.us-east-1.compute.internal systemd[1]: etcd.service: main process exited, code=exited, status=2/INVALIDARGUMENT
Oct 02 16:52:51 ip-10-0-1-235.us-east-1.compute.internal systemd[1]: Unit etcd.service entered failed state.
Oct 02 16:52:51 ip-10-0-1-235.us-east-1.compute.internal etcd[1049]: /build/amd64-usr/var/tmp/portage/dev-db/etcd-0.4.6/work/etcd-0.4.6/gopath/src/github.com/coreos/etcd/main.go:30 +0x89
Oct 02 16:52:51 ip-10-0-1-235.us-east-1.compute.internal etcd[1049]: goroutine 3 [runnable]:
Oct 02 16:52:51 ip-10-0-1-235.us-east-1.compute.internal etcd[1049]: text/template/parse.lexText(0xc210058600, 0x95a568)
Oct 02 16:52:51 ip-10-0-1-235.us-east-1.compute.internal etcd[1049]: /usr/lib/go/src/pkg/text/template/parse/lex.go:228 +0x35e
Oct 02 16:52:51 ip-10-0-1-235.us-east-1.compute.internal etcd[1049]: text/template/parse.(*lexer).run(0xc210058600)
Oct 02 16:52:51 ip-10-0-1-235.us-east-1.compute.internal etcd[1049]: /usr/lib/go/src/pkg/text/template/parse/lex.go:198 +0x40
Oct 02 16:52:51 ip-10-0-1-235.us-east-1.compute.internal etcd[1049]: created by text/template/parse.lex
Oct 02 16:52:51 ip-10-0-1-235.us-east-1.compute.internal etcd[1049]: /usr/lib/go/src/pkg/text/template/parse/lex.go:191 +0x117
Oct 02 16:52:51 ip-10-0-1-235.us-east-1.compute.internal etcd[1049]: goroutine 4 [runnable]:
Oct 02 16:52:51 ip-10-0-1-235.us-east-1.compute.internal etcd[1049]: os/signal.loop()
Oct 02 16:52:51 ip-10-0-1-235.us-east-1.compute.internal etcd[1049]: /usr/lib/go/src/pkg/os/signal/signal_unix.go:19
Oct 02 16:52:51 ip-10-0-1-235.us-east-1.compute.internal etcd[1049]: created by os/signal.init·1
Oct 02 16:52:51 ip-10-0-1-235.us-east-1.compute.internal etcd[1049]: /usr/lib/go/src/pkg/os/signal/signal_unix.go:27 +0x31

systemctl cat etcd

core@ip-10-0-1-235 ~ $ systemctl cat etcd
# /usr/lib64/systemd/system/etcd.service
[Unit]
Description=etcd

[Service]
User=etcd
PermissionsStartOnly=true
Environment=ETCD_DATA_DIR=/var/lib/etcd ETCD_NAME=default
ExecStart=/usr/bin/etcd 
Restart=always
RestartSec=10s

[Install]
WantedBy=multi-user.target

# /run/systemd/system/etcd.service.d/10-oem.conf
[Service]
Environment=ETCD_PEER_ELECTION_TIMEOUT=1200

# /run/systemd/system/etcd.service.d/20-cloudinit.conf
[Service]
Environment="ETCD_ADDR=10.0.1.235:4001"
Environment="ETCD_CLUSTER_ACTIVE_SIZE=3"
Environment="ETCD_DISCOVERY=http://10.0.0.66:4001/v2/keys/_etcd/registry/cluster-dev-f9ekeksid832ik4k"
Environment="ETCD_NAME=10-0-1-235"
Environment="ETCD_PEER_ADDR=10.0.1.235:7001"
Environment="ETCD_TRACE=*"
Environment="ETCD_VERY_VERY_VERBOSE=true"