Docker and flanneld do not start after upgrade of etcd

Issue

• docker service fails to start with the following error:

systemd[1]: Failed to start Flanneld overlay address etcd agent.

• flanneld service fails to start the following error:

Failed to create SubnetManager: 501: All the given peers are not reachable (Tried to connect to each peer twice and failed) [0]

• etcd service fails to start with the following error:

error verifying flags, -advertise-client-urls is required when -listen-client-urls is set explicitly. See 'etcd -help'.