Hiding system reserved IP addresses

[Spaceman1984]

Description

This PR removes system reserved IP addresses from the options of acquiring IP addresses. Choosing any reserved IP address results in an error. The IP addresses should not have been displayed in the first place.

Fixes: #4310

Types of changes

• Breaking change (fix or feature that would cause existing functionality to change)
• New feature (non-breaking change which adds functionality)
• Bug fix (non-breaking change which fixes an issue)
• Enhancement (improves an existing feature and functionality)
• Cleanup (Code refactoring and cleanup, that may add test cases)

Screenshots (if appropriate):

How Has This Been Tested?

Add a public IP address range and dedicate it to system VMs.
Acquire new IP addresses - the system VM dedicated IP addresses should not be in the list.

[Spaceman1984]

@blueorangutan package

[blueorangutan]

@Spaceman1984 a Jenkins job has been kicked to build packages. I'll keep you posted as I make progress.

[blueorangutan]

Packaging result: ✔centos7 ✔centos8 ✔debian. JID-2184

[Spaceman1984]

@blueorangutan test

[blueorangutan]

@Spaceman1984 a Trillian-Jenkins test job (centos7 mgmt + kvm-centos7) has been kicked to run smoke tests

[blueorangutan]

Trillian test result (tid-2963)
Environment: kvm-centos7 (x2), Advanced Networking with Mgmt server 7
Total time taken: 33284 seconds
Marvin logs: https://github.com/blueorangutan/acs-prs/releases/download/trillian/pr4408-t2963-kvm-centos7.zip
Intermittent failure detected: /marvin/tests/smoke/test_hostha_kvm.py
Smoke tests completed. 84 look OK, 1 have error(s)
Only failed tests results shown below:

Test	Result	Time (s)	Test File
test_hostha_kvm_host_fencing	Error	166.29	test_hostha_kvm.py

[GabrielBrascher]

LGTM