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[root@rhel8-test1 ~]# firewall-cmd --zone=home --add-source=34:7e:5c:3a:4c:32
Error: __init__() takes from 2 to 3 positional arguments but 4 were given

[root@rhel8-test1 ~]# dnf info firewalld
Last metadata expiration check: 1:44:59 ago on Wed 27 Jan 2021 04:01:07 PM EST.
Installed Packages
Name         : firewalld
Version      : 0.8.2
Release      : 3.el8
Architecture : noarch
Size         : 1.9 M
Source       : firewalld-0.8.2-3.el8.src.rpm
Repository   : @System
From repo    : latest-compose-baseos

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 (firewalld bug fix and enhancement update), 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-2021:1643