We have some users that are using sigil with the ProxyCommand through tools like Ansible and Chef Knife. We're getting some ThrottlingExceptions as sessions and commands are exiting and entering too quickly.

In looking at this, what would make it possible to implement support for reusing SSH sessions? I would like our users to add this to their ~/.ssh/config but this doesn't appear to be supported:
Host *
ControlMaster auto
ControlPath ~/.ssh/sockets/%r@%h-%p
ControlPersist 600
https://puppet.com/blog/speed-up-ssh-by-reusing-connections/
