The 'role_assignments_filter' identity proxy method requires either a
user or group, which defeats the entire purpose of the command when used
with this option. Use 'role_assignments' instead.
Change-Id: I8fb705c55fb4e81fa82d4a7dbe4c5bf7e1edd98a
Signed-off-by: Stephen Finucane <stephenfin@redhat.com>
Closes-bug: #1616104