Dispatcher scripts are either pre-installed by other packages or written by the user.
Currently, dispatcher scripts are always in /etc/NetworkManager/dispatcher.d directory. We should also support /usr/lib/NetworkManager/dispatcher.d, for read-only, non-user-configuration scripts.
WIP at https://github.com/NetworkManager/NetworkManager/pull/253
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.
https://access.redhat.com/errata/RHBA-2019:3623