Include the interface name in the error message

[manuelbuil]

Proposed Changes

Add the name of the interface to the error messages to help debugging

Types of Changes

Bugfix

Verification

Use k3s rootless as querying the interface will fail

Testing

Linked Issues

#8345

User-Facing Change

Further Comments

[brandond]

: is usually used to delimit separate messages in the error stack, we should avoid using it as part of the message.

[codecov]

Codecov Report

Patch coverage: 43.75% and project coverage change: +2.26% 🎉

Comparison is base (6330a5b) 47.43% compared to head (8c197bd) 49.70%.
Report is 6 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #8346      +/-   ##
==========================================
+ Coverage   47.43%   49.70%   +2.26%     
==========================================
  Files         143      143              
  Lines       14741    14746       +5     
==========================================
+ Hits         6992     7329     +337     
+ Misses       6643     6249     -394     
- Partials     1106     1168      +62     

Flag	Coverage Δ
e2etests	48.97% <50.00%> (?)
inttests	41.04% <0.00%> (-3.72%)	⬇️
unittests	19.83% <0.00%> (+<0.01%)	⬆️

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Files Changed	Coverage Δ
pkg/agent/config/config.go	50.71% <0.00%> (+1.97%)	⬆️
pkg/agent/containerd/containerd.go	20.39% <0.00%> (+0.49%)	⬆️
pkg/cli/agent/agent.go	26.22% <40.00%> (+26.22%)	⬆️
pkg/cli/server/server.go	55.90% <40.00%> (-2.44%)	⬇️
pkg/util/net.go	56.69% <75.00%> (+9.58%)	⬆️

... and 44 files with indirect coverage changes

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