I am also having issues getting Claymore to mine ETN. I am trying to use an old HD6870. Here is what Claymore shows me, 0h/s.

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║           Claymore's CryptoNote AMD GPU Miner v11.2            ║
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XMR: 1 pool is specified
Main Monero pool is etn.easyhash.io:3632
At least 16 GB of Virtual Memory is required for multi-GPU systems
Make sure you defined GPU_MAX_ALLOC_PERCENT 100
Be careful with overclocking, use default clocks for first tests
Press "s" for current statistics, "0".."9" to turn on/off cards, "r" to reload pools
OpenCL initializing...
AMD Cards available: 1
GPU #0: Barts (AMD Radeon HD 6800 Series), 1024 MB available, 14 compute units (pci bus 1:0:0)
POOL version
No ASM binary found for GPU 0
GPU #0 algorithm ASM, -h 448, -dmem 0 (Memory used: 918MB)
Total cards: 1
XMR: Stratum - connecting to 'etn.easyhash.io' <178.62.207.61> port 3632 (unsecure)
"-allpools" option is set, default pools can be used for devfee, check "Readme" file for details.
Watchdog enabled
Remote management (READ-ONLY MODE) is enabled on port 3333

XMR: Stratum - Connected (etn.easyhash.io:3632) (unsecure)
XMR: 02/10/18-15:32:56 - New job from etn.easyhash.io:3632
XMR - Total Speed: 0 H/s, Total Shares: 0, Rejected: 0, Time: 00:01
XMR: GPU0 0 H/s