Investigate why peer list is not filling

[iamhsk]

Root cause analysis of why peer list is not filling and propose a potential solution on resolving it

Desired Outocme

• Report detailing what, when, why list is not filling
• Create future tasks/issues to resolve the issues identified by this work

[mark-terry]

Investigation outcomes:

• Produced some baseline measurements for future use
• Identified some behaviours / issues that may be improved by Number of peers in logs higher than maxPeers  #2689
• Created ticket Implement mechanism that encourages new node participation in stable networks #4054 that may improve new node network participation