feat(natsock): patch Netty's native epoll transport library by symbol

[kaahos]

What does this PR do?:

Motivation:

Additional Notes:

Following #666.

How to test the change?:

For Datadog employees:

• If this PR touches code that signs or publishes builds or packages, or handles
  credentials of any kind, I've requested a security review (run the dd:platform-security-review
  skill, or file a request via the PSEC review form).
  bewaire also runs automatically on every PR.
• This PR doesn't touch any of that.
• JIRA: [JIRA-XXXX]

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[dd-octo-sts]

CI Test Results

Run: #32118507342 | Commit: 62fcbf4 | Duration: 0s (longest job)

✅ All 0 test jobs passed

Summary: Total: 0 | Passed: 0 | Failed: 0

---

Updated: 2026-08-18 22:33:28 UTC

[datadog-official]

🔄 Datadog auto-retried 1 job - 1 passed on retry

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[dd-octo-sts]

Scan-Build Report

User:	runner@runnervmzvulz
Working Directory:	/home/runner/work/java-profiler/java-profiler/ddprof-lib/src/test/make
Command Line:	make -j4 all
Clang Version:	Ubuntu clang version 18.1.3 (1ubuntu1)
Date:	Tue Aug 18 08:53:05 2026

Bug Summary

Bug Type	Quantity	Display?
All Bugs	1
Logic error
Dereference of null pointer	1

Reports

Bug Group	Bug Type ▾	File	Function/Method	Line	Path Length
Logic error	Dereference of null pointer	profiler.h	findLibraryByAddress	628	28

[dd-octo-sts]

✅ All 40 integration tests passed

📊 Dashboard · 👷 Pipeline · 📦 54c23928

[dd-octo-sts]

Reliability & Chaos Results

✅ All reliability & chaos checks passed Pipeline: https://gitlab.ddbuild.io/DataDog/java-profiler/-/pipelines/131524054