I don´t think it is possible to answer this from only the dashboard screenshot. For me it seems that MWG is marking the next hop as down every now and then, which could have a lot of reasons. I took a quick look at known issues and it seems that for versions < 18.104.22.168 there is a timeout when talking to a next-hop that could be too small, e.g. if the next-hop proxy takes too long to resolve a URL it may become marked as down. Additionally connecting to a non-exsiting or not-responding HTTPS website could lead the next-hop to be marked as down.
I would consider upgrading to 22.214.171.124 (which replaces 7.1.6) and check if the issue persists.
If it persists or you cannot upgrade to 126.96.36.199 I recommend to file a service request with support and have them verify what exactly happens. They may provide a proof that an upgrade to 7.2 will solve the issue or find something else that causes the problem.
Are there any news about this issue? Is the update to 188.8.131.52 helpful or has the McAfee support any ideas?
try to increase the "initial connection timeout" to 150 secondes in the proxy settings