Yes I find shares too but as soon as it switches on FTC, it rejects.
Try that, it's the only FTC port and for GUn (3615) idem.
NeoScryptMiner -pool stratum+tcp://neoscrypt.mining-dutch.nl:3347 -wal lezartnono19.R9280x -psw x
Ok now I see. It must be something related to stratum, I will check it soon.