You can try etcd enable v2 to accept etcd V2 client requests.
* Edit /usr/lib/systemd/system/etcd.service ``` [Service] # ... ExecStart=/bin/bash -c "GOMAXPROCS=$(nproc) /usr/bin/etcd --enable-v2=true" ```
You can try etcd enable v2 to accept etcd V2 client requests.
* Edit /usr/lib/ systemd/ system/ etcd.service $(nproc) /usr/bin/etcd --enable-v2=true"
```
[Service]
# ...
ExecStart=/bin/bash -c "GOMAXPROCS=
```