utils: fix NetUtils method to retrieve all IPs for a CIDR

[shwstppr]

Description

Fixes: #7025

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)

Feature/Enhancement Scale or Bug Severity

Feature/Enhancement Scale

• Major
• Minor

Bug Severity

• BLOCKER
• Critical
• Major
• Minor
• Trivial

Screenshots (if appropriate):

How Has This Been Tested?

see #7025

[DaanHoogland]

clgtm

[DaanHoogland]

@blueorangutan package

[blueorangutan]

@DaanHoogland a Jenkins job has been kicked to build packages. It will be bundled with KVM, XenServer and VMware SystemVM templates. I'll keep you posted as I make progress.

[blueorangutan]

Packaging result: ✖️ el7 ✖️ el8 ✖️ el9 ✖️ debian ✖️ suse15. SL-JID 5096

[DaanHoogland]

compilation errors

[shwstppr]

@blueorangutan package

[blueorangutan]

@shwstppr a Jenkins job has been kicked to build packages. It will be bundled with KVM, XenServer and VMware SystemVM templates. I'll keep you posted as I make progress.

[blueorangutan]

Packaging result: ✔️ el7 ✔️ el8 ✖️ el9 ✔️ debian ✖️ suse15. SL-JID 5105

[blueorangutan]

Packaging result: ✔️ el7 ✔️ el8 ✔️ el9 ✔️ debian ✔️ suse15. SL-JID 5112

[codecov]

Codecov Report

Merging #7026 (1a9cdcb) into 4.17 (08881d6) will not change coverage.
The diff coverage is 0.00%.

@@            Coverage Diff            @@
##               4.17    #7026   +/-   ##
=========================================
  Coverage     10.36%   10.36%           
  Complexity     6628     6628           
=========================================
  Files          2453     2453           
  Lines        242386   242386           
  Branches      37928    37928           
=========================================
  Hits          25116    25116           
  Misses       214163   214163           
  Partials       3107     3107           

Impacted Files	Coverage Δ
.../main/java/com/cloud/network/NetworkModelImpl.java	9.92% <0.00%> (ø)

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[yadvr]

@blueorangutan test

[blueorangutan]

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

[blueorangutan]

Trillian test result (tid-5694)
Environment: kvm-centos7 (x2), Advanced Networking with Mgmt server 7
Total time taken: 37121 seconds
Marvin logs: https://github.com/blueorangutan/acs-prs/releases/download/trillian/pr7026-t5694-kvm-centos7.zip
Smoke tests completed. 101 look OK, 0 have errors, 0 did not run
Only failed and skipped tests results shown below:

Test	Result	Time (s)	Test File