root@mth-k8sjuju-01:~# juju run --unit etcd/0 "systemctl status etcd"
● etcd.service - etcd - highly-available key value store
   Loaded: loaded (/lib/systemd/system/etcd.service; enabled; vendor preset: enabled)
   Active: active (running) since Fri 2017-01-27 21:27:38 UTC; 4h 58min left
     Docs: https://github.com/coreos/etcd
           man:etcd
 Main PID: 1114 (etcd)
    Tasks: 10
   Memory: 312.9M
      CPU: 11min 55.110s
   CGroup: /system.slice/etcd.service
           └─1114 /usr/bin/etcd

Jan 27 15:30:49 mth-k8setcd-02 etcd[1114]: failed to read 4e6bc75c9fbc71ad on stream Message (read tcp 10.128.74.206:33255->10.128.74.208:2380: i/o timeout)
Jan 27 15:30:50 mth-k8setcd-02 etcd[1114]: failed to dial 4e6bc75c9fbc71ad on stream Message (dial tcp 10.128.74.208:2380: i/o timeout)
Jan 27 15:30:50 mth-k8setcd-02 etcd[1114]: failed to dial 4e6bc75c9fbc71ad on stream MsgApp v2 (dial tcp 10.128.74.208:2380: i/o timeout)
Jan 27 15:30:51 mth-k8setcd-02 etcd[1114]: the connection with 4e6bc75c9fbc71ad became active
Jan 27 16:01:37 mth-k8setcd-02 etcd[1114]: start to snapshot (applied: 4680468, lastsnap: 4670467)
Jan 27 16:01:37 mth-k8setcd-02 etcd[1114]: saved snapshot at index 4680468
Jan 27 16:01:37 mth-k8setcd-02 etcd[1114]: compacted raft log at 4675468
Jan 27 16:02:02 mth-k8setcd-02 etcd[1114]: purged file /var/lib/etcd/default/member/snap/0000000000000002-000000000046a7bf.snap successfully
Jan 27 16:24:10 mth-k8setcd-02 etcd[1114]: segmented wal file /var/lib/etcd/default/member/wal/000000000000007b-0000000000478700.wal is created
Jan 27 16:24:32 mth-k8setcd-02 etcd[1114]: purged file /var/lib/etcd/default/member/wal/0000000000000076-00000000004520ed.wal successfully