Launching several of nodes at the same time causes 100% CPU load and hangup

[Yadunund]

It has been reported that starting many nodes at the same time in separate processes (order of hundreds), can lead to a spike in CPU usage and hangups.

Zettascale has identified the cause of the issue to related to re-scanning the list of network interfaces on the host machine for each node and short timeouts while doing do. A fix is underway.