Add client error message on bootstrap rejected because of blacklist/whitelist

[aoudiamoncef]

• try in sandbox /simulation/labnet
• unit tests on the added/changed features
  • make tests compile
  • make tests pass
• add logs allowing easy debugging in case the changes caused problems
• if the API has changed, update the API specification

closes #3292

[aoudiamoncef]

@Eitu33

This was quickly tested locally and with two physical nodes

Results with a simple telnet calls:

blacklist:

telnet 192.168.1.190 31245
Trying 192.168.1.190...
Connected to 192.168.1.190.
Escape character is '^]'.
?q??-?h?,Gs?S%?`???9????'?Q[?g????T?T"y+>F?^ox?R????{??" IP 192.168.1.190 is blacklisted.Connection closed by foreign host.

not in whitelist:

telnet 192.168.1.190 31245
Trying 192.168.1.190...
Connected to 192.168.1.190.
Escape character is '^]'.
??S?.
_???;R??M?o?Z?????c?	?t?f??)???cy?a?k?a5?N?f??A?A whitelist exists and the IP 192.168.1.190 is not whitelisted.Connection closed by foreign host.

[Eitu33]

@aoudiamoncef We can merge without gas costs checks passing for now but the ubuntu CI fails also on unused, please fix before we merge

[aoudiamoncef]

@Eitu33 done 💯