Allow to set custom bandwidth limit

[soffokl]

Closes #3401

[codecov-commenter]

Codecov Report

Merging #3431 (eb65370) into master (4ad6e75) will increase coverage by 0.02%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master    #3431      +/-   ##
==========================================
+ Coverage   43.34%   43.36%   +0.02%     
==========================================
  Files         312      312              
  Lines       13788    13790       +2     
==========================================
+ Hits         5976     5980       +4     
- Misses       7089     7090       +1     
+ Partials      723      720       -3     

Impacted Files	Coverage Δ
config/flags_node.go	10.09% <0.00%> (-0.19%)	⬇️
requests/dialer_swarm.go	73.68% <0.00%> (-4.39%)	⬇️
tequilapi/endpoints/sse_handler.go	66.95% <0.00%> (-2.61%)	⬇️
p2p/channel.go	73.83% <0.00%> (+0.84%)	⬆️
nat/traversal/pinger.go	76.50% <0.00%> (+5.46%)	⬆️

---

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 4ad6e75...eb65370. Read the comment docs.

[Zensey]

Overall looks good