Improve logging

[tadaskay]

No description provided.

[codecov-io]

Codecov Report

Merging #1914 into master will increase coverage by 0.63%.
The diff coverage is 60.68%.

@@            Coverage Diff             @@
##           master    #1914      +/-   ##
==========================================
+ Coverage   46.87%   47.50%   +0.63%     
==========================================
  Files         284      286       +2     
  Lines       11651    12106     +455     
==========================================
+ Hits         5461     5751     +290     
- Misses       5768     5876     +108     
- Partials      422      479      +57     

Impacted Files	Coverage Δ
communication/nats/sender.go	56.75% <ø> (+5.53%)	⬆️
config/flags_node.go	14.10% <0.00%> (-1.40%)	⬇️
config/flags_payments.go	0.00% <0.00%> (ø)
core/connection/stats.go	70.00% <ø> (ø)
core/service/cleaner.go	0.00% <0.00%> (ø)
identity/registry/registry_contract.go	0.00% <0.00%> (ø)
identity/registry/status.go	0.00% <0.00%> (ø)
mobile/mysterium/entrypoint.go	0.00% <0.00%> (ø)
nat/traversal/noop.go	0.00% <0.00%> (ø)
requests/client.go	63.46% <0.00%> (-1.25%)	⬇️
... and 56 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 3908c2b...43a965b. Read the comment docs.