After restarting miner:

[2018-05-09 18:46:32] : Fast-connecting to stratum+tcp://pool.arto.cash:3333 pool ...
[2018-05-09 18:46:32] : Pool stratum+tcp://pool.arto.cash:3333 connected. Logging in...
[2018-05-09 18:46:33] : SOCKET ERROR - [stratum+tcp://pool.arto.cash:3333] Login error: your IP is banned