fix: correct IP address type tests

[johngmyers]

1. Does this PR affect any open issues?(Y/N) and add issue references (e.g. "fix #123", "re #123".):

• N
• Y

fixes #1924

2. What is the scope of this PR (e.g. component or file name):

kclvm/runtine/src/net

3. Provide a description of the PR(e.g. more details, effects, motivations or doc link):

• Affects user behaviors
• Contains syntax changes
• Contains variable changes
• Contains experimental features
• Performance regression: Consumes more CPU
• Performance regression: Consumes more Memory
• Other

Fixes various errors in the net system module:

• IPv4 has no interface-local multicast IPs
• IPv6 has more interface-local and link-local IP blocks
• The test for IPv6 global unicast was completely wrong

4. Are there any breaking changes?(Y/N) and describe the breaking changes(e.g. more details, motivations or doc link):

• N
• Y

5. Are there test cases for these changes?(Y/N) select and add more details, references or doc links:

N

• Unit test
• Integration test
• Benchmark (add benchmark stats below)
• Manual test (add detailed scripts or steps below)
• Other

[coveralls]

Pull Request Test Coverage Report for Build 14539350311

Details

• 0 of 31 (0.0%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-0.01%) to 70.568%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
kclvm/runtime/src/net/mod.rs	0	31	0.0%

Totals
Change from base Build 14532923202:	-0.01%
Covered Lines:	53704
Relevant Lines:	76103

---

💛 - Coveralls

[zong-zhe]

Hello @johngmyers 😄

Can you add a test case for your PR? You can refer to here
https://github.com/kcl-lang/kcl/tree/main/kclvm/tests/test_units/runtime to implement this test case.

[He1pa]

need ut