Description of problem:
Trying to add or remove network label with rest API fails with <reason>Operation Failed</reason> <detail>[User is not logged in.]</detail>
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Try to add a label to existing network by sending <label id="label_name"/> to the https://<engine-ip>//ovirt-engine/api/networks/<network_id>/labels
<detail>[User is not logged in.]</detail>
Action should succeed
oVirt 3.5 has been released and should include the fix for this issue.