Confined user mapped to SELinux sysadm_r, cannot run realm commands even after sudo'ing

Issue

When a user is running as SELinux role sysadm_r, realm commands do not work.

$ id -Z
staff_u:staff_r:staff_t:s0-s0:c0.c1023
$ sudo id -Z
staff_u:sysadm_r:sysadm_t:s0-s0:c0.c1023
$ sudo  realm list
realm: Couldn't load the realm service: An SELinux policy prevents this sender from sending this message to this recipient, 0 matched rules; type="method_call", sender=":1.137" (uid=0 pid=3006 comm="/sbin/realm list ") interface="org.freedesktop.DBus.ObjectManager" member="GetManagedObjects" error name="(unset)" requested_reply="0" destination=":1.138" (uid=0 pid=3009 comm="/usr/lib64/realmd/realmd ")