Log a warning when we send a connectivity check error response.

[JonathanLennox]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 0% with 7 lines in your changes missing coverage. Please review.
✅ Project coverage is 36.09%. Comparing base (c2cbf61) to head (6435d7b).
⚠️ Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
src/main/java/org/ice4j/ice/Agent.java	0.00%	6 Missing ⚠️
...rc/main/java/org/ice4j/stack/NetAccessManager.java	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master     #307      +/-   ##
============================================
+ Coverage     35.83%   36.09%   +0.26%     
- Complexity     1125     1133       +8     
============================================
  Files           166      166              
  Lines         10988    10993       +5     
  Branches       1626     1627       +1     
============================================
+ Hits           3937     3968      +31     
+ Misses         6522     6490      -32     
- Partials        529      535       +6     

Files with missing lines	Coverage Δ
...rc/main/java/org/ice4j/stack/NetAccessManager.java	60.00% <0.00%> (ø)
src/main/java/org/ice4j/ice/Agent.java	53.32% <0.00%> (-0.26%)	⬇️

... and 8 files with indirect coverage changes

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