f2pool not supporting roundtable was Re: 「魚池」BTC:270 Phash/s - LTC:500 Ghash/s - New Server in U.S. stratum-us.f2pool.com
We are currently under DDoS counterattack.
Fixed it for you.
Mess with the honey badger and you get the claws. Plus the teeth.
Dumbest counterattack ever.
https://www.reddit.com/r/btc/comments/47luh3/f2pool_is_under_ddos_attack/d0dxlvr