Fixes and improvements for Linux

[BjoernAtBosch]

This PR fixes some issues discovered in Linux (closes #36):

• Fix reception of PTP frames: Previous filtering mechanism in raw_socket.cpp wasn't working under Linux
• Add (temporary) cmdline parsing to allow configuration of Ethernet interface to be used
• Use kernel sw timestamps as fallback if hw timestamps are not supported
• Extend logging

[github-actions]

License Check Results

🚀 The license check job ran with the Bazel command:

bazel run //:license-check

Status: ⚠️ Needs Review

Click to expand output

[License Check Output]
Extracting Bazel installation...
Starting local Bazel server (8.6.0) and connecting to it...
INFO: Invocation ID: cad36853-00ec-46bf-9467-687c5b78babf
Computing main repo mapping: 
WARNING: /home/runner/work/time/time/MODULE.bazel:13:7: The attribute 'compatibility_level' in module() is a no-op and will be removed in a future Bazel release. Please remove it from your MODULE.bazel file.
Computing main repo mapping: 
Computing main repo mapping: 
Computing main repo mapping: 
Computing main repo mapping: 
Computing main repo mapping: 
Loading: 
Loading: 3 packages loaded
Loading: 3 packages loaded
    currently loading: 
Loading: 3 packages loaded
    currently loading: 
Loading: 3 packages loaded
    currently loading: 
Loading: 3 packages loaded
    currently loading: 
Loading: 3 packages loaded
    currently loading: 
Analyzing: target //:license-check (4 packages loaded, 0 targets configured)
Analyzing: target //:license-check (4 packages loaded, 0 targets configured)

Analyzing: target //:license-check (53 packages loaded, 10 targets configured)

Analyzing: target //:license-check (102 packages loaded, 142 targets configured)

Analyzing: target //:license-check (144 packages loaded, 3098 targets configured)

Analyzing: target //:license-check (153 packages loaded, 7306 targets configured)

Analyzing: target //:license-check (153 packages loaded, 9185 targets configured)

Analyzing: target //:license-check (165 packages loaded, 9284 targets configured)

Analyzing: target //:license-check (165 packages loaded, 9284 targets configured)

Analyzing: target //:license-check (165 packages loaded, 9284 targets configured)

Analyzing: target //:license-check (165 packages loaded, 9284 targets configured)

Analyzing: target //:license-check (168 packages loaded, 11172 targets configured)

INFO: Analyzed target //:license-check (170 packages loaded, 11422 targets configured).
[7 / 16] Creating runfiles tree bazel-out/k8-opt-exec-ST-d57f47055a04/bin/external/score_tooling+/dash/tool/formatters/dash_format_converter.runfiles [for tool]; 0s local ... (2 actions, 1 running)
INFO: From Generating Dash formatted dependency file ...:
INFO: Successfully converted 2 packages from Cargo.lock to bazel-out/k8-fastbuild/bin/formatted.txt
[14 / 16] [Prepa] JavaToolchainCompileBootClasspath external/rules_java+/toolchains/platformclasspath.jar
[15 / 16] Building license.check.license_check.jar (); 0s disk-cache, multiplex-worker
INFO: Found 1 target...
Target //:license.check.license_check up-to-date:
  bazel-bin/license.check.license_check
  bazel-bin/license.check.license_check.jar
INFO: Elapsed time: 28.979s, Critical Path: 2.60s
INFO: 16 processes: 12 internal, 3 processwrapper-sandbox, 1 worker.
INFO: Build completed successfully, 16 total actions
INFO: Running command line: bazel-bin/license.check.license_check ./formatted.txt <args omitted>
usage: org.eclipse.dash.licenses.cli.Main [-batch <int>] [-cd <url>]
       [-confidence <int>] [-ef <url>] [-excludeSources <sources>] [-help] [-lic
       <url>] [-project <shortname>] [-repo <url>] [-review] [-summary <file>]
       [-timeout <seconds>] [-token <token>]

[github-actions]

The created documentation from the pull request is available at: docu-html