An upstream user reported a regression in NetworkManager 1.8 that renders Bluetooth connectivity useless:
We need a fix for RHEL 7.4
Working well now. No crash anymore.
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.