Symptom:
The following error happens when installing CMX10.4.1-2 to AIR-MSE3365.

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[Mon Feb 12 01:10:09.036 2018] [ERROR   ] Command '/sbin/service iptables restart' failed with return code: 1
[Mon Feb 12 01:10:09.119 2018] [ERROR   ] stdout: iptables: Applying firewall rules: [FAILED]
[Mon Feb 12 01:10:09.207 2018] [ERROR   ] stderr: iptables-restore v1.4.7: iptables-restore: unable to initialize table 'filter'
[Mon Feb 12 01:10:09.312 2018] 
[Mon Feb 12 01:10:09.312 2018] Error occurred at line: 2
[Mon Feb 12 01:10:09.340 2018] Try `iptables-restore -h' or 'iptables-restore --help' for more information.
[Mon Feb 12 01:10:09.423 2018] [ERROR   ] retcode: 1
[Mon Feb 12 01:10:09.447 2018] [ERROR   ] {'pid': 13337, 'retcode': 1, 'stderr': "iptables-restore v1.4.7: iptables-restore: unable to initialize table 'filter'\n\nError occurred at line: 2\nTry `iptables-restore -h' or 'iptables-restore --help' for more information.", 'stdout': 'iptables: Applying firewall rules: \x1b[60G[\x1b[0;31mFAILED\x1b[0;39m]'}
[Mon Feb 12 01:10:09.786 2018] [INFO    ] Completed state [/sbin/service iptables restart] at time 17:09:30.705684

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Conditions:
When installation of CMX.