Node can be moved to OFFLINE state by REST API if node is starting up

Issue Summary

Node becomes a stale node during starting it up when you perform REST API call. 

Steps to Reproduce

1. Start first Jira node - node_id = node1
2. Start second Jira node - node_id = node2
3. During starting up the second node, perform REST API against first node e.g.

http://localhost:8090/jira/rest/api/2/cluster/node/node2/offline

Expected Results

REST API returns the error and Node state will not change

Actual Results

Node state becomes OFFLINE

Workaround

Restart affected node