New comment by apvodney on void-packages repository

https://github.com/void-linux/void-packages/issues/18713#issuecomment-803526818

Comment:
I had this same problem, none of the connman clients could connect to connman unless they were run as root. I installed `polkit` and made no other configuration changes aside from my user being a member of the `network` group, and it resolved the issue.

I would venture to guess just adding `polkit` to the dependencies of the `connman` package should fix this.